/* =========================================================
   Cambridge Simulator — shared stylesheet
   Palette inspired by the brand logo (navy + gold + teal)
   ========================================================= */

/* ========== Self-hosted Source Sans 3 (no network dependency) ========== */
@font-face{
  font-family:'Source Sans 3';
  font-style:normal;font-weight:400;font-display:swap;
  src:url('../fonts/ss3-400.ttf') format('truetype');
}
@font-face{
  font-family:'Source Sans 3';
  font-style:normal;font-weight:700;font-display:swap;
  src:url('../fonts/ss3-700.ttf') format('truetype');
}
@font-face{
  font-family:'Source Sans 3';
  font-style:normal;font-weight:900;font-display:swap;
  src:url('../fonts/ss3-900.ttf') format('truetype');
}

:root{
  /* === Cambridge Dictionary palette === */
  --navy:#0c1e3e;          /* deep navy header / primary */
  --navy-dark:#061328;
  --navy-soft:#e6ebf3;     /* navy-tinted backgrounds */
  --teal:#00becd;          /* bright Cambridge teal */
  --teal-dark:#008a96;
  --teal-light:#e8fcfb;    /* page background tint */
  --gold:#ffd91b;          /* yellow CTA — main accent */
  --gold-dark:#e6c100;
  --pink:#e91e63;          /* arrow / directional accent */
  --orange:#e35d35;        /* category icon block */
  --bg:#ffffff;            /* app background (white; body adds a subtle grey fade) */
  --surface:#ffffff;
  --surface-alt:#f3f8fa;
  --border:#d5dee6;
  --border-soft:#e6edf2;
  --text:#0c1e3e;
  --text-muted:#506680;
  --text-soft:#8294aa;
  --danger:#c62828;
  --danger-bg:#ffebee;
  --success:#2e7d32;
  --success-bg:#e8f5e9;
  --warning:#ef6c00;
  --warning-bg:#fff4e5;
  --shadow-sm:0 1px 2px rgba(12,30,62,.06);
  --shadow-md:0 4px 16px rgba(12,30,62,.08);
  --shadow-lg:0 24px 60px rgba(12,30,62,.20);
  --radius:14px;
  --radius-sm:8px;
  --pill:999px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Source Sans 3','Source Sans Pro','Open Sans','Segoe UI',Arial,Helvetica,sans-serif;
  font-size:14.5px;color:var(--text);
  background:#fff linear-gradient(180deg,#ffffff 0%,#ffffff 28%,#eef1f5 100%) fixed;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}

/* ========== TOP BAR (Cambridge navy header) ========== */
.topbar{
  background:linear-gradient(90deg, var(--navy-dark) 0%, var(--navy) 22%, #0a4d63 62%, var(--teal) 100%);
  border-bottom:none;color:#fff;
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;position:sticky;top:0;z-index:50;
  box-shadow:0 2px 0 rgba(0,0,0,.05);
}
.topbar-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.topbar-brand:hover{text-decoration:none}
.topbar-brand img{width:40px;height:40px;object-fit:contain}
.topbar-brand-text{line-height:1.05}
.topbar-brand-text .b1{
  font-family:'Source Sans 3','Source Sans Pro',sans-serif;
  font-size:18px;font-weight:900;color:#fff;letter-spacing:.5px;
}
.topbar-brand-text .b2{
  font-family:'Source Sans 3','Source Sans Pro',sans-serif;
  font-size:10px;color:var(--gold);letter-spacing:1.8px;text-transform:uppercase;font-weight:600;
}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-user{
  display:flex;align-items:center;gap:10px;
  padding:6px 14px 6px 6px;border-radius:var(--pill);
  background:rgba(255,255,255,.10);
  font-size:13px;color:#fff;font-weight:600;text-decoration:none;
  transition:background .15s;
}
.topbar-user:hover{background:rgba(255,217,27,.18);text-decoration:none;color:#fff}
.topbar-user .role{
  font-size:10px;text-transform:uppercase;letter-spacing:1px;
  background:var(--gold);color:var(--navy);padding:3px 9px;border-radius:var(--pill);font-weight:800
}
.topbar-user .role.teacher{background:var(--teal);color:var(--navy)}
.topbar-user .role.student{background:var(--gold);color:var(--navy)}
.topbar-user .role.admin{background:#fff;color:var(--navy)}
.topbar-user .role.subadmin{background:var(--pink);color:#fff}
.btn-logout{
  background:transparent;border:1.5px solid rgba(255,255,255,.35);color:#fff;
  padding:7px 16px;border-radius:var(--pill);font-size:12px;font-weight:700;cursor:pointer;
  letter-spacing:.5px;transition:background .15s,border-color .15s;
}
.btn-logout:hover{background:#fff;color:var(--navy);border-color:#fff}

/* ========== LAYOUT ========== */
.layout{display:flex;min-height:calc(100vh - 64px)}
.sidebar{
  width:248px;background:#fff;border-right:1px solid var(--border);
  padding:24px 16px;flex-shrink:0;box-shadow:1px 0 0 var(--border-soft);
}
.sidebar .nav-section{
  font-size:10px;text-transform:uppercase;letter-spacing:1.6px;
  color:var(--teal-dark);padding:12px 12px 8px;font-weight:800;
}
.sidebar a.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--pill);color:var(--text);
  font-size:13.5px;font-weight:600;margin-bottom:3px;
  transition:background .12s,color .12s;text-decoration:none;
}
.sidebar a.nav-item:hover{background:var(--teal-light);color:var(--navy);text-decoration:none}
.sidebar a.nav-item.active{
  background:var(--navy);color:#fff;font-weight:700;
  box-shadow:0 4px 12px rgba(12,30,62,.18);
}
.sidebar a.nav-item.active .nv-icon{color:var(--gold)}
.sidebar a.nav-item .nv-icon{
  width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--teal-dark);
}

/* Expandable sidebar item ("folder" with children) */
.sidebar a.nav-item.has-children .nv-caret{
  margin-left:auto;font-size:11px;color:var(--text-soft);
  transition:transform .18s;line-height:1;
}
.sidebar a.nav-item.has-children.open .nv-caret{transform:rotate(180deg)}
.sidebar a.nav-item.active.has-children .nv-caret{color:#fff}
.sidebar .nav-children{
  max-height:0;overflow:hidden;
  transition:max-height .25s ease;
  padding:0 0 0 6px;margin:2px 0 6px 16px;
  border-left:2px solid var(--border-soft);
}
.sidebar .nav-children.open{max-height:600px}
.sidebar a.nav-subitem{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:6px;color:var(--text);
  font-size:12.5px;font-weight:600;text-decoration:none;
  margin:2px 0;transition:background .12s,color .12s;
}
.sidebar a.nav-subitem:hover{background:var(--teal-light);color:var(--navy);text-decoration:none}
.sidebar a.nav-subitem.active{background:var(--teal-light);color:var(--navy);font-weight:700}
.sidebar a.nav-subitem .sb-badge{font-size:9.5px;padding:2px 6px;letter-spacing:.4px}
.sidebar a.nav-subitem .nv-sub-label{flex:1;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar a.nav-subitem .nv-sub-count{
  font-size:10.5px;color:var(--text-soft);background:#f1f3f5;
  border-radius:8px;padding:1px 7px;font-weight:700;
}
.sidebar a.nav-subitem.active .nv-sub-count{background:rgba(12,30,62,.08);color:var(--navy)}

.main{flex:1;padding:32px 40px;max-width:1280px;margin:0 auto;width:100%}

/* ========== TYPOGRAPHY / HEADINGS ========== */
.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px;gap:20px;flex-wrap:wrap}
.page-head h1{
  font-size:28px;font-weight:900;color:var(--navy);letter-spacing:-.6px;
  position:relative;padding-bottom:10px;
}
.page-head h1::after{
  content:'';position:absolute;left:0;bottom:0;width:48px;height:4px;
  background:var(--gold);border-radius:var(--pill);
}
.page-head .ph-sub{font-size:13.5px;color:var(--text-muted);margin-top:6px}
.section-title{
  font-size:12px;font-weight:800;color:var(--teal-dark);
  letter-spacing:1.6px;text-transform:uppercase;margin:24px 0 12px;
  display:flex;align-items:center;gap:10px;
}
.section-title::before{
  content:'';width:18px;height:3px;background:var(--gold);border-radius:var(--pill);
}

/* ========== CARDS ========== */
.card{
  background:var(--surface);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .15s;
}
.card:hover{box-shadow:var(--shadow-md)}
.card.lg{padding:32px}
.card-head{
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:14px;border-bottom:2px solid var(--teal-light);
  margin-bottom:18px;gap:12px;flex-wrap:wrap;
}
.card-head h3{font-size:17px;font-weight:800;color:var(--navy);letter-spacing:-.2px}

.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){
  .grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .layout{flex-direction:column}
  .sidebar{width:100%;display:flex;overflow-x:auto;gap:6px;padding:10px}
  .sidebar .nav-section{display:none}
  .sidebar a.nav-item{white-space:nowrap;margin:0}
  .main{padding:20px}
}
@media(max-width:640px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}
}

/* ========== STAT CARDS (with colored left edge) ========== */
.stat{
  position:relative;padding:18px 20px 18px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border-soft);box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.stat::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--navy);
}
.stat.teal::before{background:var(--teal)}
.stat.gold::before{background:var(--gold)}
.stat .stat-label{font-size:11px;text-transform:uppercase;letter-spacing:1.4px;color:var(--text-muted);font-weight:800;margin-bottom:8px}
.stat .stat-value{font-size:30px;font-weight:900;color:var(--navy);line-height:1;letter-spacing:-.5px}
.stat .stat-sub{font-size:12px;color:var(--text-soft);margin-top:6px}
.stat.gold .stat-value{color:var(--navy)}
.stat.teal .stat-value{color:var(--teal-dark)}

/* ========== BUTTONS (pill-shaped, Cambridge style) ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--gold);color:var(--navy);border:none;border-radius:var(--pill);
  padding:11px 22px;font-size:13.5px;font-weight:800;cursor:pointer;
  transition:background .12s,transform .04s,box-shadow .12s;letter-spacing:.3px;
  text-decoration:none;
}
.btn:hover{background:var(--gold-dark);text-decoration:none;box-shadow:0 4px 14px rgba(255,217,27,.45)}
.btn:active{transform:translateY(1px)}
.btn:disabled{background:#cfd5e0;color:#7a8398;cursor:not-allowed;box-shadow:none}
.btn.gold{background:var(--gold);color:var(--navy)}
.btn.gold:hover{background:var(--gold-dark)}
.btn.teal{background:var(--teal);color:var(--navy)}
.btn.teal:hover{background:var(--teal-dark);color:#fff;box-shadow:0 4px 14px rgba(0,190,205,.4)}
.btn.navy,
.btn.ghost.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy-dark);box-shadow:0 4px 14px rgba(12,30,62,.3)}
.btn.ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff;box-shadow:none}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{background:#9b1f1f;color:#fff}
.btn.sm{padding:7px 14px;font-size:12px}
.btn.xs{padding:5px 12px;font-size:11px}

/* ========== FORMS ========== */
.field{margin-bottom:14px}
.field label{
  display:block;font-size:12px;color:var(--text);
  font-weight:700;margin-bottom:6px;letter-spacing:.3px
}
.field label .req{color:var(--danger);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  padding:10px 12px;font-size:14px;color:var(--text);
  font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s;background:#fff;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--navy);box-shadow:0 0 0 3px rgba(26,35,126,.10)
}
.field textarea{resize:vertical;min-height:90px}
.field-row{display:flex;gap:12px}
.field-row .field{flex:1}
.field-error{background:var(--danger-bg);border-left:3px solid var(--danger);padding:8px 12px;font-size:12.5px;color:var(--danger);border-radius:2px;margin-bottom:14px}
.field-success{background:var(--success-bg);border-left:3px solid var(--success);padding:8px 12px;font-size:12.5px;color:var(--success);border-radius:2px;margin-bottom:14px}

/* ========== TABLES ========== */
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--border-soft)}
.tbl th{
  font-size:11px;color:var(--text-muted);text-transform:uppercase;
  letter-spacing:1px;font-weight:700;background:var(--surface-alt);
}
.tbl tr:hover td{background:var(--surface-alt)}
.tbl .actions{display:flex;gap:6px;justify-content:flex-end}

/* ========== BADGES (Cambridge pill shape) ========== */
.badge{
  display:inline-block;font-size:10.5px;font-weight:800;padding:4px 11px;border-radius:var(--pill);
  letter-spacing:.8px;text-transform:uppercase;
}
.badge.yles{background:#a8dadc;color:var(--navy)}
.badge.ylem{background:#ffb4a2;color:var(--navy)}
.badge.ylef{background:#ffd6a5;color:var(--navy)}
.badge.a2{background:#caffbf;color:var(--navy)}
.badge.b1{background:#cdf3f0;color:var(--teal-dark)}
.badge.b2{background:var(--navy);color:#fff}
.badge.c1{background:var(--gold);color:var(--navy)}
.badge.c2{background:var(--pink);color:#fff}
.badge.gray{background:#e6eaf2;color:#4a5468}
.badge.green{background:var(--success-bg);color:var(--success)}
.badge.red{background:var(--danger-bg);color:var(--danger)}
.badge.gold{background:var(--gold);color:var(--navy)}

/* ========== TEST CARDS ========== */
.test-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-sm);
  transition:box-shadow .15s,transform .04s;
}
.test-card:hover{box-shadow:var(--shadow-md)}
.test-card .tc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.test-card .tc-title{font-size:14.5px;font-weight:700;color:var(--navy);line-height:1.3}
.test-card .tc-meta{font-size:11.5px;color:var(--text-soft)}
.test-card .tc-actions{display:flex;gap:8px;margin-top:6px}

/* ========== TEST CATALOGUE — LEVEL SECTIONS ========== */
.cat-section{margin-bottom:28px}
.cat-section-head{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  margin:8px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--border-soft);
}
.cat-section-title{display:flex;align-items:center;gap:10px}
.cat-section-title h2{font-size:16px;font-weight:800;color:var(--navy);margin:0}
.cat-section-meta{display:flex;align-items:center;gap:10px}
.cat-section-count{font-size:12px;color:var(--text-soft);font-weight:600;letter-spacing:.3px}
.cat-empty{
  background:#fafafa;border:1px dashed var(--border-soft);border-radius:var(--radius);
  padding:18px;font-size:12.5px;color:var(--text-soft);text-align:center;
}
.ph-crumb{font-size:12px;color:var(--text-soft);margin-bottom:6px;font-weight:600}
.ph-crumb a{color:var(--teal-dark);text-decoration:none}
.ph-crumb a:hover{text-decoration:underline}
.ph-crumb .ph-sep{margin:0 6px;color:var(--text-soft)}

/* ========== ASSIGNMENT / RESULT ITEM ========== */
.list-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:13px 16px;border:1px solid var(--border-soft);border-radius:var(--radius);
  margin-bottom:10px;background:#fff;gap:14px;flex-wrap:wrap;
}
.list-item .li-main{flex:1;min-width:200px}
.list-item .li-title{font-size:13.5px;font-weight:700;color:var(--text)}
.list-item .li-sub{font-size:11.5px;color:var(--text-muted);margin-top:3px}
.list-item .li-actions{display:flex;gap:6px;align-items:center}

/* ========== POSTS / VIRTUAL CLASSROOM ========== */
.post{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:18px;margin-bottom:14px;box-shadow:var(--shadow-sm);
}
.post .post-head{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:8px;gap:10px;flex-wrap:wrap;
}
.post .post-title{font-size:15px;font-weight:700;color:var(--navy)}
.post .post-meta{font-size:11.5px;color:var(--text-soft)}
.post .post-body{font-size:13.5px;line-height:1.55;color:var(--text);white-space:pre-wrap}
.post .post-tag{
  display:inline-block;font-size:10px;font-weight:800;letter-spacing:1.2px;
  text-transform:uppercase;background:var(--navy);color:#fff;
  padding:3px 10px;border-radius:var(--pill);margin-right:8px;
}
.post .post-tag.material{background:var(--gold);color:var(--navy)}
.post .post-tag.assignment{background:var(--teal);color:var(--navy)}

/* ========== EMPTY STATE ========== */
.empty{
  text-align:center;padding:40px 20px;color:var(--text-muted);
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);
}
.empty h4{font-size:15px;color:var(--text);margin-bottom:6px;font-weight:700}
.empty p{font-size:13px}

/* ========== MODAL ========== */
.modal-bg{
  position:fixed;inset:0;background:rgba(20,25,45,.55);
  display:none;align-items:center;justify-content:center;z-index:200;padding:20px;
}
.modal-bg.show{display:flex}
.modal{
  background:#fff;border-radius:var(--radius);
  width:100%;max-width:560px;max-height:90vh;overflow:auto;
  box-shadow:var(--shadow-lg);
}
.modal .m-head{
  background:var(--navy);color:#fff;padding:18px 24px;
  display:flex;justify-content:space-between;align-items:center;
}
.modal .m-head h3{font-size:16px;font-weight:800;letter-spacing:.5px}
.modal .m-close{background:transparent;border:none;color:#fff;font-size:22px;cursor:pointer;line-height:1}
.modal .m-body{padding:22px 24px}
.modal .m-foot{
  padding:14px 24px;background:var(--surface-alt);
  display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--border-soft);
}

/* ========== SCORE PILL ========== */
.score-pill{
  display:inline-flex;align-items:baseline;gap:4px;
  padding:5px 13px;border-radius:var(--pill);
  background:var(--navy);color:#fff;
  font-weight:800;font-size:12px;
}
.score-pill .small{font-size:10px;color:rgba(255,255,255,.7);font-weight:600}
.score-pill.green{background:var(--teal);color:var(--navy)}
.score-pill.green .small{color:var(--navy);opacity:.6}
.score-pill.gold{background:var(--gold);color:var(--navy)}
.score-pill.gold .small{color:var(--navy);opacity:.6}
.score-pill.red{background:var(--pink);color:#fff}

/* ========== PROGRESS BAR ========== */
.bar{height:10px;background:var(--teal-light);border-radius:var(--pill);overflow:hidden;margin-top:6px}
.bar > span{display:block;height:100%;background:var(--navy);border-radius:var(--pill);transition:width .5s}
.bar.gold > span{background:var(--gold)}
.bar.teal > span{background:var(--teal)}

/* ========== LANDING PAGE (Cambridge two-band: navy → teal → cyan) ========== */
.landing{
  min-height:100vh;display:flex;flex-direction:column;
  background:
    linear-gradient(135deg,
      #f4f6f8 0%,
      #e3e7ec 28%,
      #cdd3da 55%,
      #dde2e8 78%,
      #f0f2f5 100%);
  color:#fff;position:relative;
}
.landing-nav{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 40px;background:var(--navy);
}
.landing-nav .brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.landing-nav .brand img{width:46px;height:46px;object-fit:contain}
.landing-nav .brand .b1{
  font-family:'Source Sans 3','Source Sans Pro',sans-serif;
  font-size:20px;font-weight:900;letter-spacing:1px;
}
.landing-nav .brand .b2{
  font-family:'Source Sans 3','Source Sans Pro',sans-serif;
  font-size:11px;letter-spacing:2px;color:var(--gold);font-weight:600;
}

/* Hero band: navy bottom-left → teal top-right with curved white divider beneath */
.landing-hero{
  position:relative;
  background:
    linear-gradient(135deg, var(--navy) 0%, var(--navy) 38%, var(--teal-dark) 60%, var(--teal) 100%);
  padding:60px 60px 110px;
}
.landing-hero::after{
  /* curved wave divider — Cambridge's signature shape */
  content:'';position:absolute;left:0;right:0;bottom:-1px;height:80px;
  background:#eef1f5;
  -webkit-mask: radial-gradient(120% 110% at 50% 0%, transparent 60%, #000 60.5%);
          mask: radial-gradient(120% 110% at 50% 0%, transparent 60%, #000 60.5%);
}.landing-hero-inner{
  display:grid;grid-template-columns:1.1fr 1fr;
  gap:50px;align-items:center;max-width:1280px;margin:0 auto;width:100%;position:relative;z-index:1;
}
.landing-hero h1{
  font-size:46px;font-weight:900;letter-spacing:-.8px;line-height:1.05;margin-bottom:20px;color:#fff;
}
.landing-hero h1 span{color:var(--gold)}
.landing-hero p.lead{font-size:16.5px;line-height:1.6;color:#cfe8ec;margin-bottom:26px;max-width:520px}
.landing-hero .level-pills{display:flex;gap:10px;margin-bottom:28px;flex-wrap:wrap}
.landing-hero .level-pills span{
  background:var(--gold);color:var(--navy);font-weight:900;font-size:13px;
  padding:8px 18px;border-radius:var(--pill);letter-spacing:1.5px;
  box-shadow:0 4px 14px rgba(255,217,27,.35);
}
.landing-hero .features{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:540px}
.landing-hero .features div{font-size:13.5px;color:#cfe8ec;display:flex;align-items:flex-start;gap:10px;line-height:1.45}
.landing-hero .features div::before{
  content:'\2713';color:var(--gold);font-weight:900;font-size:13px;
  background:rgba(255,217,27,.18);width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}

.login-card{
  background:#fff;color:var(--text);border-radius:20px;padding:36px 32px;
  box-shadow:0 30px 80px rgba(0,0,0,.35);max-width:420px;width:100%;justify-self:end;
  position:relative;
}
.login-card::before{
  /* small yellow tag, Cambridge "+Plus" promo style */
  content:'Sign in';position:absolute;top:-14px;left:32px;
  background:var(--gold);color:var(--navy);font-weight:900;font-size:11px;
  letter-spacing:1.5px;padding:5px 14px;border-radius:var(--pill);
  text-transform:uppercase;
}
.login-card h2{font-size:24px;color:var(--navy);font-weight:900;margin-bottom:6px;letter-spacing:-.4px}
.login-card .login-sub{font-size:13.5px;color:var(--text-muted);margin-bottom:22px}
.role-tabs{display:flex;background:var(--teal-light);border-radius:var(--pill);padding:4px;margin-bottom:20px;gap:2px}
.role-tabs button{
  flex:1;background:transparent;border:none;padding:10px 10px;
  font-size:12px;font-weight:800;color:var(--text-muted);cursor:pointer;
  border-radius:var(--pill);transition:background .12s,color .12s;letter-spacing:.5px;text-transform:uppercase;
}
.role-tabs button:hover{color:var(--navy)}
.role-tabs button.active{background:var(--navy);color:#fff;box-shadow:0 4px 12px rgba(12,30,62,.18)}

.demo-creds{
  background:var(--teal-light);border-left:none;border-radius:var(--radius-sm);
  padding:12px 16px;font-size:11.5px;color:var(--text-muted);margin-top:16px;line-height:1.7
}
.demo-creds strong{color:var(--navy)}
.demo-creds code{background:#fff;padding:2px 7px;border-radius:var(--pill);font-size:11px;color:var(--navy);font-weight:700}

@media(max-width:980px){
  .landing-hero{padding:40px 24px 100px}
  .landing-hero-inner{grid-template-columns:1fr;gap:30px}
  .landing-hero h1{font-size:34px}
  .login-card{justify-self:center;max-width:100%}
}

/* ========== TEST RUNNER WRAPPER ========== */
.runner-wrap{height:100vh;display:flex;flex-direction:column;background:#0d1578}
.runner-bar{
  background:#fff;border-bottom:1px solid var(--border);
  padding:10px 20px;display:flex;justify-content:space-between;align-items:center;
  box-shadow:var(--shadow-sm);
}
.runner-bar .rb-info{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-muted)}
.runner-bar .rb-info strong{color:var(--navy)}
.runner-bar img{width:30px;height:30px}
.runner-frame{flex:1;border:none;width:100%;background:#fff}
.runner-saved{
  position:fixed;top:80px;right:20px;background:var(--success);color:#fff;
  padding:10px 16px;border-radius:6px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-md);z-index:100;display:none;
}
.runner-saved.show{display:block;animation:slideIn .3s}
@keyframes slideIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

/* ========== RICH TEXT EDITOR (Moodle-Atto style) ========== */
.atto-toolbar{
  background:#f4f4f6;border:1px solid #c8ccd3;
  border-bottom:none;border-radius:5px 5px 0 0;
  padding:4px 6px;font-size:13px;
}
.atto-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
}
.atto-row + .atto-row{
  margin-top:4px;padding-top:6px;border-top:1px solid #dde0e6;
}
.atto-group{
  display:inline-flex;align-items:center;gap:0;
  padding:0 6px;border-right:1px solid #dde0e6;
}
.atto-group:last-child{border-right:none}
.atto-group.atto-spacer{flex:1;border-right:none}

/* every clickable inside the toolbar — same height for visual rhythm */
.atto-toolbar button,
.atto-toolbar select,
.atto-toolbar input[type=color]{
  height:30px;background:transparent;color:#333;
  border:1px solid transparent;border-radius:4px;cursor:pointer;
  font-family:inherit;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .1s,border-color .1s,color .1s;
}
.atto-toolbar button{
  min-width:30px;padding:0 6px;font-weight:700;
}
.atto-toolbar button:hover{background:#e3e6ec;border-color:#c8ccd3}
.atto-toolbar button:active{background:#d6dae2}
.atto-toolbar button.active{background:#4f6dc7;color:#fff;border-color:#3954a8}
.atto-toolbar select{
  background:#fff;border:1px solid #c8ccd3;
  padding:0 8px;font-weight:500;min-width:90px;
}
.atto-toolbar select:hover{border-color:#9aa1ad}
.atto-toolbar input[type=color]{
  width:30px;padding:3px;background:#fff;border:1px solid #c8ccd3;
}
.atto-toolbar input[type=color]:hover{border-color:#9aa1ad}
.atto-toolbar .atto-icon-color{
  position:relative;display:inline-flex;flex-direction:column;align-items:center;
  margin:0 2px;
}
.atto-toolbar .atto-icon-color span{font-size:10px;color:#666;line-height:1;margin-bottom:1px}
.atto-toolbar .atto-toggle-more{
  font-size:18px;color:#4f6dc7;
}
.atto-toolbar .atto-toggle-more.open{background:#4f6dc7;color:#fff}
.atto-row[hidden]{display:none}
.rte-editor{
  min-height:160px;max-height:380px;overflow-y:auto;
  border:1px solid #c8ccd3;border-radius:0 0 5px 5px;
  padding:12px 14px;font-size:14px;font-family:inherit;
  line-height:1.55;background:#fff;color:var(--text);
  outline:none;
}
.rte-editor:focus{border-color:#4f6dc7;box-shadow:inset 0 0 0 1px #4f6dc7}
.rte-editor:empty:before{
  content:attr(data-placeholder);
  color:var(--text-soft);pointer-events:none;
}
.rte-editor h1,.rte-editor h2,.rte-editor h3{margin:6px 0;color:var(--navy);font-weight:700}
.rte-editor h1{font-size:18px}.rte-editor h2{font-size:16px}.rte-editor h3{font-size:15px}
.rte-editor p{margin:4px 0}
.rte-editor ul,.rte-editor ol{margin:6px 0 6px 22px}
.rte-editor blockquote{
  border-left:3px solid var(--navy);padding:4px 12px;color:var(--text-muted);
  margin:6px 0;background:var(--surface-alt);
}
.rte-editor a{color:var(--navy);text-decoration:underline}
.rte-editor img{max-width:100%;border-radius:4px;margin:0;display:block;width:100%;height:auto}

/* ---- Resizable image wrapper (used by editor + rendered posts) ---- */
.rte-img-wrap{
  display:inline-block;position:relative;max-width:100%;
  vertical-align:middle;line-height:0;
}
/* the *editor* version gets a native browser resize handle */
.rte-editor .rte-img-wrap{
  resize:horizontal;overflow:hidden;
  border:1.5px dashed transparent;border-radius:5px;
  padding:1px;min-width:60px;box-sizing:content-box;
  cursor:pointer;
  transition:border-color .12s;
}
.rte-editor .rte-img-wrap:hover{border-color:#a8b1d8}
.rte-editor .rte-img-wrap.selected{border-color:var(--navy)}
.rte-img-wrap img{display:block;width:100%;height:auto;border-radius:3px}
/* posted version: no handles, just respect the saved width */
.post-body .rte-img-wrap img{border-radius:4px}

/* ========== ATTACHMENTS ========== */
.att-input-row{
  display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap;
}
.att-pick{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border:1.5px dashed var(--border);
  border-radius:6px;font-size:12px;font-weight:600;color:var(--text-muted);
  cursor:pointer;background:var(--surface-alt);transition:border-color .12s,color .12s;
}
.att-pick:hover{border-color:var(--navy);color:var(--navy)}
.att-pick input{display:none}
.att-hint{font-size:11px;color:var(--text-soft)}
.att-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.att-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--navy-soft);border:1px solid #c7cdf0;border-radius:6px;
  padding:5px 10px;font-size:12px;color:var(--navy);font-weight:600;
}
.att-chip .att-size{color:var(--text-muted);font-weight:500;font-size:11px}
.att-chip button{
  background:transparent;border:none;color:var(--danger);
  font-size:14px;cursor:pointer;line-height:1;padding:0;font-weight:700;
}

/* attachments inside a published post */
.post-atts{
  margin-top:12px;padding-top:12px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:10px;
}
.post-att{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;background:var(--surface-alt);
  border:1px solid var(--border-soft);border-radius:6px;
  font-size:12.5px;color:var(--navy);font-weight:600;text-decoration:none;
  transition:background .12s,border-color .12s;
}
.post-att:hover{background:var(--navy-soft);border-color:var(--navy);text-decoration:none}
.post-att .att-icon{font-size:14px}
.post-att .att-size{color:var(--text-muted);font-weight:500;font-size:11px}
.post-imgs{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.post-imgs a{display:block;border-radius:6px;overflow:hidden;border:1px solid var(--border-soft)}
.post-imgs img{
  display:block;max-height:180px;max-width:260px;object-fit:cover;
  transition:transform .15s;
}
.post-imgs a:hover img{transform:scale(1.02)}

/* ---- YouTube inline embeds (posts and comments) ---- */
.yt-embeds{
  display:flex;flex-direction:column;gap:10px;margin-top:12px;
}
.yt-embed{
  position:relative;width:100%;max-width:560px;
  padding-bottom:min(56.25%, 315px); /* 16:9 ratio, capped at 315px tall */
  height:0;overflow:hidden;
  border-radius:10px;background:#000;
  box-shadow:var(--shadow-sm);
}
.yt-embed iframe{
  position:absolute;inset:0;width:100%;height:100%;border:0;
}

/* thumbnail-first state: the image fills the wrapper, with a play button
   centered and a small "Open in YouTube" link in the bottom-right that's
   always available as a fallback when embedding is blocked (error 150/153) */
.yt-thumb{cursor:pointer;background:#000}
.yt-thumb img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  transition:opacity .15s;
}
.yt-thumb:hover img{opacity:.85}
.yt-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:68px;height:48px;border:none;border-radius:14px;cursor:pointer;
  background:rgba(0,0,0,.75);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .15s;padding:0;
}
.yt-play::before{
  content:'';display:block;width:0;height:0;
  border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;
  margin-left:4px;
}
.yt-thumb:hover .yt-play{background-color:#ff0000}
.yt-fallback{
  position:absolute;bottom:8px;right:8px;
  background:rgba(0,0,0,.65);color:#fff;
  padding:4px 10px;border-radius:14px;font-size:11px;font-weight:700;
  text-decoration:none;letter-spacing:.3px;
  transition:background .12s;
}
.yt-fallback:hover{background:rgba(255,0,0,.9);text-decoration:none;color:#fff}
.yt-playing .yt-fallback{opacity:.85}

/* tighter embeds inside comment bubbles */
.comment-bubble .yt-embeds{margin-top:8px}
.comment-bubble .yt-embed{max-width:380px;border-radius:8px}
.comment-bubble .yt-play{width:54px;height:38px}
.comment-bubble .yt-play::before{border-left-width:11px;border-top-width:7px;border-bottom-width:7px}

/* ========== ATTEMPT DETAIL (expandable) ========== */
.attempt-detail{
  border:1px solid var(--border-soft);border-radius:var(--radius);
  margin-bottom:10px;background:#fff;overflow:hidden;
}
.attempt-detail summary{
  list-style:none;cursor:pointer;padding:14px 16px;
  display:block;
  transition:background .12s;
}
.attempt-detail summary::-webkit-details-marker{display:none}
.attempt-detail summary::before{
  content:'▸';display:inline-block;color:var(--text-soft);
  margin-right:8px;transition:transform .15s;font-size:12px;vertical-align:middle;
}
.attempt-detail[open] summary::before{transform:rotate(90deg)}
.attempt-detail summary:hover{background:var(--surface-alt)}
.ad-summary{
  display:grid;grid-template-columns:1.5fr 1.6fr auto;
  gap:14px;align-items:center;
}
.ad-title{font-size:13.5px}
.ad-meta{font-size:11.5px;color:var(--text-muted);display:flex;flex-wrap:wrap;gap:10px}
.ad-meta .ad-when{color:var(--navy);font-weight:600}
.ad-score{text-align:right}
.ad-body{
  padding:14px 18px 16px;background:var(--surface-alt);
  border-top:1px solid var(--border-soft);
}
.ad-parts-title{
  font-size:11.5px;text-transform:uppercase;letter-spacing:1px;
  color:var(--text-muted);font-weight:700;margin-bottom:10px;
}
.ad-part{
  display:grid;grid-template-columns:1.4fr 2fr auto;
  gap:14px;align-items:center;margin-bottom:6px;font-size:12.5px;
}
.ad-part-name{color:var(--text)}
.ad-part-score{font-weight:700;color:var(--navy);font-size:12px;min-width:50px;text-align:right}
@media(max-width:780px){
  .ad-summary{grid-template-columns:1fr}
  .ad-score{text-align:left}
  .ad-part{grid-template-columns:1fr;gap:4px}
}

/* ========== QUOTA MATRIX (sub-admin per-level quotas) ========== */
.quota-grid{
  width:100%;border-collapse:separate;border-spacing:6px;
  margin-top:6px;
}
.quota-grid th{
  font-size:11px;color:var(--text-muted);font-weight:800;
  text-align:center;letter-spacing:.8px;text-transform:uppercase;
  padding-bottom:4px;
}
.quota-grid td{vertical-align:middle;padding:0}
.quota-grid td:first-child{
  font-size:12.5px;color:var(--text);font-weight:700;text-align:left;
  padding-right:8px;width:90px;
}
.quota-grid input{
  width:100%;min-width:46px;padding:6px 4px;text-align:center;
  border:1.5px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;font-size:13.5px;font-weight:700;color:var(--navy);
  font-family:inherit;
}
.quota-grid input:focus{border-color:var(--navy);outline:none;box-shadow:0 0 0 3px rgba(12,30,62,.10)}
.quota-grid .quota-total{
  font-weight:800;color:var(--navy);text-align:center;font-size:14px;
  background:var(--teal-light);border-radius:var(--radius-sm);
  padding:6px 4px;
}

/* per-level usage table inside admin Sub-admins page + sub-admin pages */
.quota-usage{
  display:grid;grid-template-columns:auto repeat(4, 1fr) auto;
  gap:6px 10px;align-items:center;font-size:12.5px;
}
.quota-usage .qu-h{
  font-size:10.5px;color:var(--text-muted);font-weight:800;
  letter-spacing:.8px;text-transform:uppercase;
}
.quota-usage .qu-role{font-weight:700;color:var(--navy)}
.quota-usage .qu-cell{
  background:var(--surface-alt);border-radius:var(--radius-sm);
  padding:4px 8px;text-align:center;font-weight:700;
}
.quota-usage .qu-cell.empty{color:var(--text-soft);font-weight:500;background:transparent}
.quota-usage .qu-cell.full{background:var(--gold);color:var(--navy)}
.quota-usage .qu-total{font-weight:800;color:var(--navy)}

/* ===== Multi-level chips (a teacher's CEFR levels) ===== */
.lvl-multi-wrap{margin-top:2px}
.lvl-multi{display:flex;flex-wrap:wrap;gap:8px}
.lvl-chk{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--surface-alt);border:1.5px solid var(--border);
  border-radius:var(--pill);padding:6px 14px;
  font-size:13px;font-weight:700;color:var(--text-muted);
  cursor:pointer;user-select:none;transition:background .12s,color .12s,border-color .12s;
}
.lvl-chk input{margin:0;cursor:pointer;accent-color:var(--navy)}
.lvl-chk:hover{border-color:var(--navy);color:var(--navy)}
.lvl-chk:has(input:checked){background:var(--navy);color:#fff;border-color:var(--navy)}

/* ========== CEFR SPECTRUM CHART (interactive SVG) ========== */
.cefr-card{
  padding:24px 20px;
  background:linear-gradient(135deg, #ffffff 0%, var(--teal-light) 100%);
  position:relative;overflow:hidden;
}
.cefr-card::before{
  /* faint navy glow in top-right corner for depth */
  content:'';position:absolute;top:-100px;right:-100px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle, rgba(12,30,62,.06) 0%, transparent 70%);
  pointer-events:none;
}
.cefr-pos-label{
  font-size:14.5px;color:var(--text);margin:6px 0 14px;
  position:relative;z-index:1;
}
.cefr-svg-wrap{
  position:relative;width:100%;
  /* light-grey brushed-metal panel: alternating silver sheen bands */
  background:linear-gradient(135deg,
    #d9dde3 0%, #f4f6f8 20%, #c6ccd4 42%, #e9ecf0 60%, #ccd1d9 80%, #f1f3f6 100%);
  border-radius:14px;
  padding:6px;
  box-shadow:
    0 6px 22px rgba(31,41,61,.18),
    0 0 14px rgba(255,255,255,.55),          /* soft outer white bloom */
    inset 0 1px 0 rgba(255,255,255,.9),
    inset 0 0 11px rgba(15,23,42,.20),        /* dark inner halo frames the white rim */
    inset 0 -2px 3px rgba(0,0,0,.10);
}
.cefr-svg{
  width:100%;height:auto;display:block;
  font-family:'Source Sans 3', sans-serif;
  position:relative;z-index:1;
}
/* bright shine running around the chart's edges */
.cefr-edge-shine{
  position:absolute;inset:0;z-index:3;pointer-events:none;
  border-radius:14px;overflow:hidden;padding:3px;box-sizing:border-box;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
          mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.cefr-edge-shine::before{
  content:'';position:absolute;left:50%;top:50%;
  width:200%;aspect-ratio:1/1;transform:translate(-50%,-50%);
  /* bright white rim with a brighter highlight that slowly glides around,
     like light glinting across polished metal */
  background:conic-gradient(from 0deg,
    rgba(255,255,255,.62) 0%,
    rgba(255,255,255,.62) 38%,
    #ffffff 52%,
    #ffffff 66%,
    rgba(255,255,255,.62) 82%,
    rgba(255,255,255,.62) 100%);
  animation:cefrEdgeShine 14s linear infinite;
}
@keyframes cefrEdgeShine{to{transform:translate(-50%,-50%) rotate(1turn)}}
@media (prefers-reduced-motion:reduce){.cefr-edge-shine::before{animation:none}}

/* entrance animations */
.cefr-fill{
  opacity:0;animation:cefrFadeIn .9s .1s ease-out forwards;
}
.cefr-curve-line{
  stroke-dasharray:2200;stroke-dashoffset:2200;
  animation:cefrDrawCurve 1.6s .15s cubic-bezier(.6,.05,.3,1) forwards;
}
.cefr-level{opacity:0;animation:cefrPop .35s ease-out forwards}
.cefr-level:nth-child(1) {animation-delay:0.7s}
.cefr-level:nth-child(2) {animation-delay:0.78s}
.cefr-level:nth-child(3) {animation-delay:0.86s}
.cefr-level:nth-child(4) {animation-delay:0.94s}
.cefr-level:nth-child(5) {animation-delay:1.02s}
.cefr-level:nth-child(6) {animation-delay:1.10s}
.cefr-level:nth-child(7) {animation-delay:1.18s}
.cefr-level:nth-child(8) {animation-delay:1.26s}
.cefr-level:nth-child(9) {animation-delay:1.34s}
.cefr-level:nth-child(10){animation-delay:1.42s}
.cefr-level:nth-child(11){animation-delay:1.50s}
.cefr-svg-marker{opacity:0;animation:cefrPop .5s 1.7s cubic-bezier(.34,1.56,.64,1) forwards}
@keyframes cefrFadeIn{from{opacity:0}to{opacity:0.92}}
@keyframes cefrDrawCurve{to{stroke-dashoffset:0}}
@keyframes cefrPop{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}

/* level dot interactivity */
.cefr-level{transform-origin:center;transform-box:fill-box}
.cefr-level:hover .cefr-dot-halo{opacity:0.18}
.cefr-level.selected .cefr-dot-halo{opacity:0.35}
.cefr-level circle:not(.cefr-dot-halo){transition:r .15s ease-out, stroke-width .15s}
.cefr-level:hover circle:not(.cefr-dot-halo){stroke-width:3.5}
.cefr-level:hover .cefr-dot-label{font-size:14px;fill:var(--navy)}
.cefr-dot-halo{transition:opacity .15s}

/* description panel under the chart */
.cefr-info{
  margin-top:18px;padding:16px 20px;
  background:#fff;border-left:5px solid var(--navy);
  border-radius:8px;
  box-shadow:0 4px 18px rgba(12,30,62,.10);
  animation:cefrInfoIn .25s ease-out;
  position:relative;z-index:1;
}
.cefr-info-head{font-size:14.5px;color:var(--text-muted);margin-bottom:6px;font-weight:700}
.cefr-info-head strong{font-weight:900;font-size:18px;letter-spacing:.5px;color:var(--navy)}
.cefr-info p{font-size:13.5px;line-height:1.6;color:var(--text)}
@keyframes cefrInfoIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

/* strengths / areas-to-improve rows */
.strength-row{margin-bottom:14px}
.strength-row:last-child{margin-bottom:0}
.strength-row .strength-label{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13.5px;color:var(--text);margin-bottom:5px;
}
.strength-row .strength-pct{
  font-weight:800;color:var(--navy);font-size:13px;
}

@media(max-width:780px){
  .cefr-card{padding:18px 12px}
  .cefr-svg-wrap{padding:2px}
}

/* ========== AVATARS ========== */
.avatar{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;font-weight:700;color:#fff;flex-shrink:0;
  vertical-align:middle;overflow:hidden;background:#999;
  user-select:none;line-height:1;
}
.avatar img{width:100%;height:100%;object-fit:cover;display:block}
.topbar-user .avatar{margin-right:8px}
.topbar-user{cursor:pointer}
.topbar-user:hover{background:#dde2ef}

/* avatar editor on profile page */
.avatar-edit{
  display:flex;align-items:center;gap:18px;padding:18px;
  background:var(--surface);border:1px solid var(--border-soft);
  border-radius:var(--radius);
}
.avatar-edit .avatar{width:88px;height:88px;font-size:30px}
.avatar-edit .ae-info{flex:1}
.avatar-edit .ae-info h4{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:2px}
.avatar-edit .ae-info .ae-meta{font-size:12.5px;color:var(--text-muted)}
.avatar-edit .ae-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* ========== COMMENTS (Facebook-style thread) ========== */
.comments-block{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--border-soft);
}
.comments-summary{
  font-size:12.5px;color:var(--text-muted);margin-bottom:10px;
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.comments-summary .cs-toggle{
  background:transparent;border:none;color:var(--navy);font-weight:600;
  font-size:12.5px;cursor:pointer;padding:0;
}
.comments-summary .cs-toggle:hover{text-decoration:underline}

/* "View N previous comments / replies" link (Facebook-style) */
.cs-more{
  background:transparent;border:none;padding:6px 0 8px;
  color:var(--text-muted);font-weight:700;font-size:12.5px;
  cursor:pointer;font-family:inherit;text-align:left;
  display:flex;align-items:center;gap:6px;
}
.cs-more:hover{color:var(--navy);text-decoration:underline}
.cs-more::before{
  content:'';display:inline-block;width:18px;height:1px;background:currentColor;opacity:.6;
}
.comment-replies .cs-more{padding-left:0;font-size:12px}

.comment{
  display:flex;gap:10px;margin-bottom:10px;
}
.comment-body{
  flex:1;min-width:0;
}
.comment-bubble{
  background:#f0f2f5;border-radius:16px;padding:8px 14px;
  display:inline-block;max-width:100%;
}
.comment-bubble .c-name{
  font-size:12.5px;font-weight:700;color:var(--navy);display:block;line-height:1.2;
}
.comment-bubble .c-text{
  font-size:13.5px;color:var(--text);white-space:pre-wrap;
  margin-top:2px;line-height:1.45;word-wrap:break-word;
}
.comment-actions{
  margin-top:4px;padding-left:14px;font-size:11.5px;color:var(--text-soft);
  display:flex;gap:12px;align-items:center;flex-wrap:wrap;
}
.comment-actions button,
.comment-actions a{
  background:transparent;border:none;padding:0;cursor:pointer;font-family:inherit;
  font-size:11.5px;font-weight:700;color:var(--text-muted);text-decoration:none;
}
.comment-actions button:hover,
.comment-actions a:hover{color:var(--navy);text-decoration:underline}
.comment-actions .liked{color:var(--navy)}
.comment-actions .liked-pill{
  background:var(--navy-soft);color:var(--navy);
  padding:1px 6px;border-radius:8px;font-size:10.5px;font-weight:700;
}
.comment-replies{
  margin-left:46px;margin-top:6px;
}

/* inline reply input */
.reply-input,.comment-input{
  display:flex;gap:8px;align-items:flex-start;margin-top:8px;
}
.reply-input .ci-field,
.comment-input .ci-field{
  flex:1;display:flex;align-items:center;gap:8px;
  background:#f0f2f5;border-radius:18px;padding:6px 12px;
}
.reply-input textarea,
.comment-input textarea{
  flex:1;background:transparent;border:none;outline:none;resize:none;
  font-family:inherit;font-size:13.5px;color:var(--text);
  min-height:20px;max-height:120px;line-height:1.4;padding:2px 0;
}
.reply-input .ci-send,
.comment-input .ci-send{
  background:var(--navy);color:#fff;border:none;border-radius:14px;
  padding:6px 14px;font-size:12px;font-weight:700;cursor:pointer;
  font-family:inherit;
}
.reply-input .ci-send:hover,
.comment-input .ci-send:hover{background:var(--navy-dark)}
.reply-input .ci-send:disabled,
.comment-input .ci-send:disabled{background:#aab1c2;cursor:not-allowed}

/* image-attach button next to the comment input */
.ci-imgbtn{
  background:transparent;color:var(--text-muted);border:none;
  width:32px;height:32px;border-radius:50%;cursor:pointer;
  font-size:16px;display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:background .12s,color .12s;
}
.ci-imgbtn:hover{background:#e6eaf2;color:var(--navy)}

/* pending image previews shown above the Post button before publishing */
.ci-pending{
  display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 0 42px;
}
.ci-pending:empty{margin:0}
.ci-pimg{
  position:relative;width:64px;height:64px;border-radius:6px;overflow:hidden;
  border:1px solid var(--border-soft);background:var(--surface-alt);
}
.ci-pimg img{width:100%;height:100%;object-fit:cover;display:block}
.ci-pimg button{
  position:absolute;top:2px;right:2px;
  background:rgba(0,0,0,.65);color:#fff;border:none;border-radius:50%;
  width:18px;height:18px;font-size:12px;cursor:pointer;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;line-height:1;padding:0;
}

/* images displayed inside a published comment bubble */
.comment-imgs{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;
}
.comment-imgs a{
  display:block;border-radius:8px;overflow:hidden;
  border:1px solid var(--border-soft);
}
.comment-imgs img{
  display:block;max-width:240px;max-height:200px;object-fit:cover;
  transition:transform .15s;
}
.comment-imgs a:hover img{transform:scale(1.02)}

/* ========== UTILS ========== */
.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.flex-gap{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.mt-0{margin-top:0!important}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0!important}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.text-muted{color:var(--text-muted)}
.text-soft{color:var(--text-soft)}
.text-navy{color:var(--navy)}
.text-center{text-align:center}
.hidden{display:none!important}
.nowrap{white-space:nowrap}

/* =================================================================
   SITE SETTINGS PAGE (admin → site settings)
   Moodle-style: left nav rail, right panel, sticky save footer.
   ================================================================= */
.set-layout{
  display:grid;grid-template-columns:260px 1fr;gap:22px;align-items:flex-start;
  margin-top:6px;
}
.set-tabs{
  position:sticky;top:80px;
  background:var(--surface);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:8px;display:flex;flex-direction:column;gap:2px;
  box-shadow:var(--shadow-sm);
}
.set-tab{
  display:flex;align-items:center;gap:11px;
  padding:10px 12px;border-radius:var(--radius-sm);
  text-decoration:none;color:var(--text);
  transition:background .12s,color .12s;
}
.set-tab:hover{background:var(--surface-alt);text-decoration:none}
.set-tab.active{
  background:var(--navy);color:#fff;
}
.set-tab.active .st-sub{color:rgba(255,255,255,.7)}
.set-tab .st-icon{
  font-size:18px;width:24px;text-align:center;flex-shrink:0;
}
.set-tab .st-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.set-tab .st-label{font-size:13px;font-weight:700;letter-spacing:.2px}
.set-tab .st-sub{font-size:11px;color:var(--text-muted);font-weight:500}

.set-panel{
  background:var(--surface);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm);
  min-height:60vh;
}
.set-section-head{
  border-bottom:1px solid var(--border-soft);padding-bottom:14px;margin-bottom:20px;
}
.set-section-head h2{
  font-size:20px;font-weight:900;color:var(--navy);
  letter-spacing:-.3px;margin-bottom:4px;
}
.set-section-head p{color:var(--text-muted);font-size:13px}

.set-group{
  padding:18px 0;border-bottom:1px solid var(--border-soft);
}
.set-group:last-of-type{border-bottom:none}
.set-group > h3{
  font-size:14px;font-weight:800;color:var(--navy);
  letter-spacing:.5px;text-transform:uppercase;margin-bottom:14px;
}
.set-group.set-danger{
  background:var(--danger-bg);border:1px solid #f5c6c6;
  border-radius:var(--radius);padding:18px 20px;margin-top:18px;
}
.set-group.set-danger h3{color:var(--danger)}
.set-group.set-danger p{font-size:13px;color:var(--text);margin-bottom:12px}
.set-group.set-warn{
  background:var(--warning-bg);border:1px solid #f5d6a7;
  border-radius:var(--radius);padding:18px 20px;
}

.set-hint{font-size:12px;color:var(--text-muted);margin-top:4px;line-height:1.5}
.set-hint code{
  font-family:'SF Mono','Consolas',monospace;
  background:var(--surface-alt);padding:1px 5px;border-radius:4px;font-size:11px;
}

/* Theme preset cards */
.preset-grid{
  display:grid;grid-template-columns:repeat(auto-fill, minmax(150px,1fr));gap:12px;
  margin-top:6px;
}
.preset-card{
  position:relative;display:block;cursor:pointer;
  background:var(--surface);border:2px solid var(--border);
  border-radius:var(--radius);padding:14px;
  transition:border-color .12s,transform .04s,box-shadow .12s;
}
.preset-card:hover{box-shadow:var(--shadow-md)}
.preset-card.selected{border-color:var(--navy);box-shadow:0 0 0 3px rgba(12,30,62,.15)}
.preset-card input[type="radio"]{position:absolute;opacity:0;pointer-events:none}
.preset-swatch{display:flex;gap:5px;margin-bottom:10px}
.preset-swatch span{
  flex:1;height:26px;border-radius:6px;border:1px solid rgba(0,0,0,.08);
}
.preset-name{font-size:12.5px;font-weight:700;color:var(--text);text-align:center;letter-spacing:.2px}

/* Generic radio cards (login bg etc.) */
.set-radio-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(220px,1fr));gap:8px;margin-top:6px}
.set-radio{
  display:flex;align-items:center;gap:10px;cursor:pointer;
  padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:13px;background:var(--surface);transition:border-color .12s,background .12s;
}
.set-radio:hover{background:var(--surface-alt)}
.set-radio.selected{border-color:var(--navy);background:rgba(12,30,62,.04)}
.set-radio input{margin:0}

/* Colour pickers */
.set-color-row{display:flex;gap:8px;align-items:center}
.set-color-row input[type="color"]{
  width:46px;height:38px;padding:2px;cursor:pointer;
  border:1.5px solid var(--border);border-radius:var(--radius-sm);background:#fff;
}
.set-color-row input[type="text"]{
  flex:1;font-family:'SF Mono','Consolas',monospace;text-transform:lowercase;
}

/* Asset (logo / favicon) rows */
.set-asset-row{
  display:flex;gap:18px;align-items:center;
  padding:12px;background:var(--surface-alt);border-radius:var(--radius-sm);margin-bottom:12px;
}
.set-asset-preview{
  width:80px;height:80px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;
}
.set-asset-preview.small{width:48px;height:48px}
.set-asset-preview img{max-width:100%;max-height:100%;object-fit:contain}
.set-asset-controls{display:flex;flex-direction:column;gap:6px;align-items:flex-start;flex:1}
.set-asset-controls .btn{cursor:pointer}

/* CEFR threshold grid */
.set-cefr-grid{display:grid;grid-template-columns:repeat(6, 1fr);gap:8px}
.set-cefr-cell{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:10px 8px;background:var(--surface-alt);border-radius:var(--radius-sm);
}
.set-cefr-cell label{font-size:13px;font-weight:800;color:var(--navy)}
.set-cefr-cell input{width:100%;text-align:center;font-weight:700}
.set-cefr-cell span{font-size:11px;color:var(--text-muted)}

/* Toggle switches */
.cs-toggle{
  display:flex;align-items:center;gap:12px;cursor:pointer;
  padding:7px 0;font-size:13.5px;color:var(--text);user-select:none;
}
/* Visually hidden but accessible — and immune from .field input{width:100%}
   which would otherwise stretch the hidden checkbox to full row width. */
.cs-toggle input[type="checkbox"]{
  position:absolute !important;width:1px !important;height:1px !important;
  padding:0 !important;margin:-1px !important;border:0 !important;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;
  opacity:0;pointer-events:none;
}
.cs-toggle-slider{
  position:relative;display:inline-block;
  width:42px;min-width:42px;height:24px;
  background:#cdd5e0;border-radius:999px;
  transition:background .15s;flex-shrink:0;
}
.cs-toggle-slider::before{
  content:'';position:absolute;left:3px;top:3px;width:18px;height:18px;
  background:#fff;border-radius:50%;transition:transform .15s;
  box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.cs-toggle input:checked + .cs-toggle-slider{background:var(--navy)}
.cs-toggle input:checked + .cs-toggle-slider::before{transform:translateX(18px)}
.cs-toggle-label{line-height:1.4;flex:1;min-width:0}

/* Vertical stack used inside Settings groups (password policy etc.) */
.set-toggle-list{
  display:flex;flex-direction:column;gap:4px;margin-top:10px;
}

/* Storage / backups */
.set-storage-grid{
  display:grid;grid-template-columns:repeat(auto-fill, minmax(110px,1fr));gap:10px;margin-bottom:12px;
}
.set-storage-stat{
  background:var(--surface-alt);border-radius:var(--radius-sm);
  padding:14px 10px;text-align:center;
}
.set-storage-stat .num{font-size:22px;font-weight:900;color:var(--navy)}
.set-storage-stat .lbl{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;margin-top:2px}
.set-actions-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}

/* Feature flags list */
.set-features-list{display:flex;flex-direction:column;gap:2px}

/* Upload-limit pickers (Uploads tab) */
.set-upload-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.set-upload-row select{
  width:auto;min-width:130px;flex-shrink:0;
}
.set-upload-row .set-upload-custom{
  width:110px;flex-shrink:0;text-align:right;
  font-family:'SF Mono','Consolas',monospace;
}
.set-upload-row .set-upload-unit{
  font-size:12px;color:var(--text-muted);font-weight:700;letter-spacing:.5px;
}
.set-upload-row .set-upload-hint{flex-basis:100%;margin-top:2px}

/* Code textareas */
textarea.code{
  font-family:'SF Mono','Consolas','Monaco','Courier New',monospace;
  font-size:12.5px;line-height:1.5;background:#fbfbfd;
}

/* Sticky save footer at the bottom of the panel */
.set-sticky-foot{
  position:sticky;bottom:0;margin-top:24px;
  background:linear-gradient(180deg, transparent 0%, var(--surface) 30%);
  padding:14px 0 4px;display:flex;justify-content:flex-end;gap:10px;
  border-top:1px solid var(--border-soft);
}

/* Danger button variant for the wipe action */
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{background:#a01919;box-shadow:0 4px 14px rgba(198,40,40,.35)}

/* Range slider tweak */
.field input[type="range"]{
  width:100%;height:6px;padding:0;background:transparent;
  -webkit-appearance:none;appearance:none;
}
.field input[type="range"]::-webkit-slider-runnable-track{
  height:6px;background:var(--border);border-radius:999px;
}
.field input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;
  background:var(--navy);margin-top:-7px;cursor:pointer;border:2px solid #fff;
  box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.field input[type="range"]::-moz-range-track{height:6px;background:var(--border);border-radius:999px}
.field input[type="range"]::-moz-range-thumb{
  width:20px;height:20px;border-radius:50%;background:var(--navy);cursor:pointer;border:2px solid #fff;
}

/* =====================================================================
   Cambridge sitting "puzzle" — four papers (Reading & UoE, Listening,
   Writing, Speaking) appear as four puzzle pieces. Completing all four
   unlocks a printable Cambridge-style certificate.
   ===================================================================== */
.puzzle-section{margin:18px 0 24px}
.puzzle-section .ps-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:10px;gap:12px;flex-wrap:wrap;
}
.puzzle-section .ps-head h3{font-size:16px;font-weight:900;color:var(--navy);margin:0}
.puzzle-section .ps-head .ps-sub{font-size:12.5px;color:var(--text-muted)}

.puzzle-card{
  background:var(--surface,#fff);border:1px solid var(--border,#cdd3da);
  border-radius:16px;padding:18px 20px;margin-bottom:14px;
  box-shadow:0 6px 16px rgba(12,30,62,.10);
}
.puzzle-card .pz-head{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-bottom:14px;flex-wrap:wrap;
}
.puzzle-card .pz-title{font-size:15px;font-weight:900;color:var(--navy);display:flex;align-items:center;gap:10px}
.puzzle-card .pz-title .pz-level{
  background:var(--navy);color:var(--gold);font-size:11px;font-weight:900;
  padding:3px 9px;border-radius:999px;letter-spacing:.6px;
}
/* Per-level chip tints — mirror .badge.* so YLE / KET feel distinct */
.puzzle-card .pz-level.lv-yles{background:#a8dadc;color:#0c1e3e}
.puzzle-card .pz-level.lv-ylem{background:#ffb4a2;color:#0c1e3e}
.puzzle-card .pz-level.lv-ylef{background:#ffd6a5;color:#0c1e3e}
.puzzle-card .pz-level.lv-a2{background:#caffbf;color:#0c1e3e}
.puzzle-card .pz-level.lv-b1{background:#cdf3f0;color:#0c4742}
.puzzle-card .pz-level.lv-b2{background:#0c1e3e;color:#fff}
.puzzle-card .pz-level.lv-c1{background:#ffd91b;color:#0c1e3e}
.puzzle-card .pz-level.lv-c2{background:#f5b3c1;color:#fff}
.puzzle-card .pz-title .pz-num{color:var(--text-muted);font-weight:700;font-size:12.5px;letter-spacing:.4px}
.puzzle-card .pz-progress{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted);
  font-weight:700;
}
.puzzle-card .pz-progress .pz-bar{
  width:120px;height:8px;background:#eef0f5;border-radius:999px;overflow:hidden;
}
.puzzle-card .pz-progress .pz-bar span{
  display:block;height:100%;background:linear-gradient(90deg,#2bb3a3,var(--navy));
  border-radius:999px;transition:width .5s;
}
.puzzle-card.complete{border-color:#2e7d32;box-shadow:0 6px 22px rgba(46,125,50,.18)}
.puzzle-card.complete .pz-progress .pz-bar span{background:linear-gradient(90deg,#2e7d32,#4caf50)}

/* Pieces arranged in a responsive row that scales with the number of
   papers in the sitting — 4 for B2/C1/C2, 3 for KET and YLE. */
.puzzle-grid{display:grid;gap:14px}
.puzzle-grid.slots-4{grid-template-columns:repeat(4,1fr)}
.puzzle-grid.slots-3{grid-template-columns:repeat(3,1fr)}
.puzzle-grid.slots-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){
  .puzzle-grid.slots-4,
  .puzzle-grid.slots-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .puzzle-grid.slots-4,
  .puzzle-grid.slots-3,
  .puzzle-grid.slots-2{grid-template-columns:1fr}
}

.puzzle-piece{
  position:relative;border:2px dashed var(--border,#cdd3da);
  border-radius:14px;background:#f6f8fa;padding:14px 14px 12px;
  min-height:140px;display:flex;flex-direction:column;gap:6px;
  transition:transform .15s, box-shadow .15s, background .2s, border-color .2s;
}
.puzzle-piece::before{
  /* puzzle-knob nub on the right edge for a hint of interlocking shape */
  content:"";position:absolute;top:50%;right:-9px;width:16px;height:16px;
  background:inherit;border:2px solid;border-color:inherit;
  border-radius:50%;transform:translateY(-50%);
  z-index:0;
}
.puzzle-piece:last-child::before{display:none}
@media(max-width:980px){
  .puzzle-piece:nth-child(2)::before{display:none}
  .puzzle-piece:nth-child(4)::before{display:none}
}
@media(max-width:560px){
  .puzzle-piece::before{display:none}
}
.puzzle-piece .pp-icon{font-size:24px;line-height:1}
.puzzle-piece .pp-name{font-size:13px;font-weight:900;color:var(--navy);line-height:1.2}
.puzzle-piece .pp-state{
  font-size:10.5px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;
  color:var(--text-muted);
}
.puzzle-piece .pp-meta{font-size:11.5px;color:var(--text-muted);line-height:1.4;flex:1}
.puzzle-piece .pp-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.puzzle-piece .pp-score{
  background:var(--navy);color:#fff;font-weight:900;font-size:12px;
  padding:3px 10px;border-radius:999px;align-self:flex-start;
}

/* state styling */
.puzzle-piece.state-missing{
  border-style:solid;border-color:#dde2e8;background:
    repeating-linear-gradient(45deg,#f4f6f8 0 6px,#eef0f5 6px 12px);
  color:var(--text-muted);
}
.puzzle-piece.state-missing .pp-name,
.puzzle-piece.state-missing .pp-icon{opacity:.55}
.puzzle-piece.state-missing .pp-state{color:#7d92ad}

.puzzle-piece.state-unassigned{
  border-style:dashed;border-color:#cdd3da;background:#fafbfc;
}
.puzzle-piece.state-unassigned .pp-state{color:#7d92ad}

.puzzle-piece.state-assigned{
  border-style:solid;border-color:var(--gold);background:#fff8d6;
}
.puzzle-piece.state-assigned .pp-state{color:#a85a00}

.puzzle-piece.state-completed{
  border-style:solid;border-color:#2e7d32;background:#e8f5e9;
}
.puzzle-piece.state-completed .pp-state{color:#2e7d32}
.puzzle-piece.state-completed .pp-score{background:#2e7d32}

.puzzle-piece:hover.state-assigned,
.puzzle-piece:hover.state-completed{
  transform:translateY(-1px);box-shadow:0 4px 14px rgba(12,30,62,.12);
}

/* ---- Catalogue puzzles (admin Test catalogue + teacher Test library) ----
   One folder card per exam sitting; each paper is a clickable puzzle piece. */
.cat-puzzles{display:flex;flex-direction:column;gap:16px}
.puzzle-card.catalogue{padding-bottom:18px}
.puzzle-card .pz-folder{font-size:18px;line-height:1}
.puzzle-card.catalogue .pz-title .pz-num{
  background:var(--navy);color:#fff;font-weight:900;font-size:12px;
  padding:3px 12px;border-radius:999px;letter-spacing:.4px;
}
.puzzle-card.catalogue.complete .pz-title .pz-num{background:#2e7d32}

.puzzle-piece.cat-piece{min-height:150px}
.puzzle-piece.cat-state-ready{
  border-style:solid;border-color:var(--navy);background:#eef3ff;
}
.puzzle-piece.cat-state-ready .pp-name{color:var(--navy)}
.puzzle-piece.cat-state-ready .pp-state{color:var(--navy)}
.puzzle-piece.cat-state-soon{
  border-style:dashed;border-color:var(--gold,#ffd91b);background:#fffbe9;
}
.puzzle-piece.cat-state-soon .pp-state{color:#a85a00}
.puzzle-piece:hover.cat-state-ready{
  transform:translateY(-1px);box-shadow:0 6px 16px rgba(12,30,62,.16);
  background:#e6eeff;
}

/* Footer of a sitting card: total score + certificate CTA */
.puzzle-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--border-soft,#e8eaf0);
  gap:14px;flex-wrap:wrap;
}
.puzzle-foot .pz-totals{display:flex;gap:14px;align-items:center}
.puzzle-foot .pz-totals .pt-block{display:flex;flex-direction:column;gap:2px}
.puzzle-foot .pz-totals .pt-label{font-size:10.5px;font-weight:800;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.puzzle-foot .pz-totals .pt-value{font-size:18px;font-weight:900;color:var(--navy)}
.puzzle-foot .pz-totals .pt-value.green{color:#2e7d32}
.puzzle-foot .cert-cta{
  background:linear-gradient(135deg,#ffd91b,#ffb800);color:#0c1e3e;
  font-weight:900;padding:10px 18px;border-radius:10px;text-decoration:none;
  font-size:13px;letter-spacing:.3px;display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 4px 14px rgba(255,184,0,.45);transition:transform .12s, box-shadow .12s;
}
.puzzle-foot .cert-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(255,184,0,.55)}
.puzzle-foot .cert-locked{
  font-size:12px;color:var(--text-muted);font-weight:700;
}

/* Topbar settings cog */
.topbar-cog{
  width:36px;height:36px;border-radius:50%;display:inline-flex;
  align-items:center;justify-content:center;font-size:18px;color:#fff;
  background:rgba(255,255,255,.10);text-decoration:none;transition:background .15s,transform .12s;
}
.topbar-cog:hover{background:rgba(255,217,27,.25);color:#fff;text-decoration:none;transform:rotate(45deg)}

/* =================================================================
   ANNOUNCEMENT BANNER (settings → notifications)
   ================================================================= */
.cs-banner{
  position:relative;padding:10px 44px 10px 18px;
  font-size:13px;font-weight:600;text-align:center;letter-spacing:.2px;
  border-bottom:1px solid rgba(0,0,0,.08);
}
.cs-banner-info   {background:#dbeafe;color:#0b3b8a}
.cs-banner-success{background:#dcfce7;color:#155724}
.cs-banner-warning{background:#fff3cd;color:#7a5400}
.cs-banner-danger {background:#fde2e2;color:#8a1a1a}
.cs-banner-x{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  background:transparent;border:none;font-size:20px;cursor:pointer;
  opacity:.6;line-height:1;padding:0 8px;color:inherit;
}
.cs-banner-x:hover{opacity:1}

/* =================================================================
   MAINTENANCE OVERLAY
   ================================================================= */
.maintenance-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg, #f4f6f8 0%, #e3e7ec 60%, #cdd3da 100%);
  padding:40px 20px;
}
.maintenance-box{
  max-width:520px;width:100%;background:#fff;border-radius:var(--radius);
  padding:42px 36px;text-align:center;box-shadow:var(--shadow-lg);
}
.maintenance-icon{font-size:48px;margin-bottom:8px;color:var(--warning)}
.maintenance-box h1{font-size:22px;font-weight:900;color:var(--navy);margin-bottom:10px}
.maintenance-box p{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:14px}
.maintenance-box .maintenance-sub{font-size:11.5px;color:var(--text-soft);letter-spacing:.5px;margin-top:18px}

/* =================================================================
   SPEAKING ATTEMPT EXTRAS
   (rubric notes on the attempt-detail card, examiner / partner banner)
   ================================================================= */
.attempt-detail.speaking summary .ad-title strong{color:var(--navy)}
.ad-speak-meta{
  display:flex;gap:14px;flex-wrap:wrap;
  background:var(--navy-soft);border-radius:8px;
  padding:8px 12px;margin-bottom:12px;
  font-size:12.5px;color:var(--navy);
}
.ad-speak-meta span{display:inline-flex;align-items:center;gap:4px}
.ad-rubric-note{
  margin:-4px 0 10px 0;padding:8px 10px;
  background:#fff8e1;border-left:3px solid var(--gold);
  border-radius:6px;font-size:12.5px;color:#5a4a00;
  white-space:pre-wrap;line-height:1.5;
}
.ad-overall-fb{
  padding:12px 14px;background:#eef6ec;
  border-left:3px solid var(--success, #2e7d32);
  border-radius:6px;font-size:13px;color:#1d3b2a;
  white-space:pre-wrap;line-height:1.55;
}

/* =================================================================
   RESPONSIVE
   ================================================================= */
@media(max-width:980px){
  .set-layout{grid-template-columns:1fr}
  .set-tabs{position:static;flex-direction:row;overflow-x:auto;flex-wrap:nowrap}
  .set-tab{flex-shrink:0;min-width:160px}
  .set-tab .st-sub{display:none}
  .set-cefr-grid{grid-template-columns:repeat(3,1fr)}
  .set-asset-row{flex-direction:column;align-items:flex-start}
}


/* =================================================================
   RESPONSIVE HARDENING (2026-07)
   Phone/tablet support for the shell, landing page, dashboard views
   and the take-test runner. Desktop rules above are unchanged —
   these only add fluid behaviour and small-screen overrides.
   ================================================================= */
img,svg,canvas,video,iframe{max-width:100%}
.grid > *,.card,.main{min-width:0}
.layout{min-height:calc(100dvh - 64px)}
.runner-wrap{height:100vh;height:100dvh}
.landing{min-height:100dvh}
:focus-visible{outline:2px solid var(--gold,#ffd91b);outline-offset:2px}

@media(max-width:768px){
  /* sub-16px inputs make iOS zoom the page on focus */
  .field input,.field select,.field textarea{font-size:16px}
  /* tables keep readable column widths and scroll inside their card */
  .card{overflow-x:auto}
  .tbl{min-width:520px}
  .quota-grid{min-width:400px}
}
@media(max-width:640px){
  .topbar{padding-left:max(10px,env(safe-area-inset-left));padding-right:max(10px,env(safe-area-inset-right))}
  .topbar-brand{min-width:0}
  .topbar-brand img{width:32px;height:32px}
  .topbar-brand-text .b1{font-size:14px;letter-spacing:.2px}
  .topbar-brand-text .b2{display:none}
  .topbar-right{gap:8px;min-width:0}
  .topbar-user{padding:4px 10px 4px 4px;font-size:12px;max-width:46vw;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .topbar-user .role{display:none}
  .btn-logout{padding:6px 10px;font-size:11px;letter-spacing:.2px}
  .main{padding:18px 12px}
  .page-head{flex-wrap:wrap;gap:10px}
  .field-row{flex-direction:column}
  .list-item{flex-wrap:wrap}
  .list-item .li-main{min-width:0}
  .modal{max-height:calc(100dvh - 20px)}
  .modal .m-body{padding:16px 14px}
  .modal .m-foot{flex-wrap:wrap}
  .runner-bar{flex-wrap:wrap;gap:8px;padding:8px 10px}
  /* landing / login */
  .landing-nav{padding:12px 14px;flex-wrap:wrap;gap:10px}
  .landing-hero{padding:32px 16px 90px}
  .landing-hero h1{font-size:30px}
  .landing-hero .features{grid-template-columns:1fr}
  .login-card{padding:28px 18px}
}
@media(max-width:374px){
  .landing-hero h1{font-size:26px}
  .topbar-user{max-width:38vw}
}