/* ── Variables — Dark mode with Creating Connections palette ─────── */
:root {
  /* Primary: Apple blue from CC app */
  --primary:      #007aff;
  --primary-dark: #0066d6;
  --primary-light: rgba(0, 122, 255, .12);

  /* CC card palette accents */
  --accent-sky:    rgb(140, 209, 240);
  --accent-green:  rgb(143, 227, 163);
  --accent-orange: rgb(250, 186, 107);
  --accent-purple: rgb(217, 166, 230);
  --accent-yellow: rgb(250, 214, 115);
  --accent-red:    rgb(242, 140, 140);
  --accent-teal:   rgb(115, 204, 204);
  --accent-pink:   rgb(242, 153, 191);
  --accent-mint:   rgb(153, 217, 191);

  /* Semantic */
  --success:      #34d399;
  --success-bg:   rgba(52, 211, 153, .12);
  --error:        #f87171;
  --error-bg:     rgba(248, 113, 113, .12);
  --amber:        var(--accent-orange);
  --amber-bg:     rgba(250, 186, 107, .12);

  /* Surfaces */
  --bg:           #0f0f1a;
  --bg-raised:    #1a1a2e;
  --card:         #1e1e36;
  --card-hover:   #26264a;
  --border:       rgba(255, 255, 255, .08);
  --border-strong:rgba(255, 255, 255, .15);

  /* Text */
  --text:         #ebebf5;
  --text-muted:   rgba(235, 235, 245, .5);

  --radius:       12px;
  --shadow:       0 2px 8px rgba(0,0,0,.35), 0 1px 3px rgba(0,0,0,.2);
}

/* ── Reset & Base ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ══════════════════════════════════════════════════════════════════
   STUDENT PAGE — App-like layout with interactive triangle
   ══════════════════════════════════════════════════════════════════ */

/* ── Top bar ───────────────────────────────────────────────────── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.top-bar h1 {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.team-badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 600;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  color: var(--text);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Header code entry ──────────────────────────────────────────── */
.header-code {
  display: flex;
  align-items: center;
  gap: 6px;
}
.header-code input {
  width: 70px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1.5px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-align: center;
  text-transform: uppercase;
}
.header-code input::placeholder {
  color: var(--text-muted);
  letter-spacing: 0;
  font-weight: 400;
}
.header-code button {
  padding: 6px 14px;
  border-radius: 8px;
  border: none;
  background: rgba(115, 204, 204, .8);
  color: var(--bg);
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
}
.header-code button:hover {
  background: rgba(115, 204, 204, 1);
}

/* ── Code entry gate (legacy, kept for ranking page) ─────────── */
.code-gate {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
  padding: 0 16px;
}
.code-card {
  text-align: center;
  max-width: 340px;
  width: 100%;
}
.code-card h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.code-card p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.code-card input {
  width: 100%;
  padding: 14px;
  border: 2px solid var(--border-strong);
  border-radius: 10px;
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: .3em;
  color: var(--text);
  background: var(--bg-raised);
  box-sizing: border-box;
  margin-bottom: 14px;
}
.code-card input:focus {
  outline: none;
  border-color: rgba(115,204,204,.6);
  box-shadow: 0 0 0 3px rgba(115,204,204,.15);
}
.code-card .btn-submit {
  margin-top: 0;
}
.code-error {
  color: var(--error);
  font-size: .85rem;
  margin-top: 12px;
}

/* ── Student main content ──────────────────────────────────────── */
.student-main {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px 40px;
  width: 100%;
}

/* ── Meet selector row ─────────────────────────────────────────── */
.meet-row {
  padding: 14px 0;
}
.meet-row select {
  width: 100%;
  padding: 12px 36px 12px 14px;
  border: 2px solid rgba(140, 209, 240, .3);
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-raised);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238cd1f0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}
.meet-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
.meet-row select:disabled {
  background-color: var(--bg-raised);
  color: var(--text-muted);
  border-color: var(--border-strong);
  cursor: default;
}

/* ── Matrix label ──────────────────────────────────────────────── */
.matrix-label {
  text-align: center;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--text-muted);
  margin: 0;
}

/* ── Matrix hero (big interactive triangle) ────────────────────── */
.matrix-hero {
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0 -8px -44px;
}
.matrix-hero svg {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 520 / 420;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

/* ── Score controls ────────────────────────────────────────────── */
.score-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 0;
  margin-bottom: 16px;
}

.score-row {
  --sc: 170, 130, 255;
}
.score-row[data-color="teal"]   { --sc: 115, 204, 204; }
.score-row[data-color="purple"] { --sc: 217, 166, 230; }
.score-row[data-color="sky"]    { --sc: 170, 130, 255; }

.score-name {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: rgb(var(--sc));
  margin-bottom: 5px;
}
.score-ends {
  display: flex;
  justify-content: space-between;
  font-size: .7rem;
  color: var(--text-muted);
  margin-top: 4px;
  padding: 0 2px;
}

.score-btns {
  display: flex;
  gap: 5px;
}

.score-btn {
  flex: 1;
  min-height: 44px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(var(--sc), .18);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  touch-action: manipulation;
  user-select: none;
}
.score-btn:nth-child(1) { background: rgba(var(--sc), .04); }
.score-btn:nth-child(2) { background: rgba(var(--sc), .08); }
.score-btn:nth-child(3) { background: rgba(var(--sc), .13); }
.score-btn:nth-child(4) { background: rgba(var(--sc), .20); }
.score-btn:nth-child(5) { background: rgba(var(--sc), .28); }

.score-btn:hover {
  border-color: rgba(var(--sc), .5);
  background: rgba(var(--sc), .18);
}
.score-btn.active {
  background: rgb(var(--sc));
  border-color: rgb(var(--sc));
  color: #0f0f1a;
  font-weight: 700;
  transform: scale(1.06);
  box-shadow: 0 0 14px rgba(var(--sc), .4);
}

/* ── Notes input ───────────────────────────────────────────────── */
.notes-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  font-size: .95rem;
  color: var(--text);
  background: var(--bg-raised);
  margin-bottom: 14px;
}
.notes-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
.notes-input::placeholder { color: var(--text-muted); }

/* ── Submit Button ──────────────────────────────────────────────── */
.btn-submit {
  width: 100%;
  padding: 14px;
  background: rgba(115,204,204,.8);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s;
  touch-action: manipulation;
}
.btn-submit:hover { background: rgb(115,204,204); }
.btn-submit:active { transform: scale(.98); }
.btn-submit:disabled {
  background: var(--border-strong);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

/* ── Feedback Banner ────────────────────────────────────────────── */
.banner {
  border-radius: 8px;
  padding: 12px 16px;
  font-size: .9rem;
  font-weight: 500;
  display: none;
  margin: 8px 16px;
  max-width: 480px;
}
.student-main .banner { margin: 8px 0; }
.banner.show { display: block; }
.banner.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, .3);
}
.banner.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid rgba(248, 113, 113, .3);
}

/* ── Name modal overlay ────────────────────────────────────────── */
.name-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .7);
  z-index: 50;
  align-items: center;
  justify-content: center;
}
.name-overlay.show { display: flex; }

.name-modal {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  padding: 28px 24px;
  max-width: 340px;
  width: calc(100% - 40px);
  text-align: center;
}
.name-modal h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.name-modal p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.name-inputs {
  margin-bottom: 16px;
}
.name-inputs input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-raised);
  text-align: center;
  box-sizing: border-box;
}
.name-inputs input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
.name-modal .btn-submit {
  margin-bottom: 8px;
}
.name-skip {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .85rem;
  cursor: pointer;
  padding: 6px;
}
.name-skip:hover { color: var(--text); }

/* ── Nav links ──────────────────────────────────────────────────── */
.nav-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 14px 0 0;
}
.nav-links a {
  font-size: .85rem;
  color: var(--accent-sky);
  text-decoration: none;
}
.nav-links a:hover { text-decoration: underline; }


/* ══════════════════════════════════════════════════════════════════
   RANKING PAGE — Card-based form layout
   ══════════════════════════════════════════════════════════════════ */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  background: var(--bg-raised);
  color: var(--text);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}
header h1 {
  font-size: 1.15rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
header p { font-size: .8rem; color: var(--text-muted); margin-top: 2px; }

.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 20px 16px 40px;
  width: 100%;
}

/* ── Card ───────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
}
.card h2 {
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent-sky);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 14px;
}

/* ── Form Elements ──────────────────────────────────────────────── */
.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }

label {
  display: block;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}
label .hint {
  font-weight: 400;
  color: var(--text-muted);
  font-size: .8rem;
}

select, input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-raised);
  appearance: none;
  -webkit-appearance: none;
  transition: border-color .15s;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 36px;
}
select:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
select:disabled {
  background-color: var(--bg);
  color: var(--text-muted);
  border-color: var(--border);
}
select option, select optgroup {
  background: var(--bg-raised);
  color: var(--text);
}

/* ── Round buttons (ranking page) ──────────────────────────────── */
.round-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.round-btn {
  min-width: 44px;
  min-height: 44px;
  font-size: .95rem;
  font-weight: 600;
  border: 2px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg-raised);
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  touch-action: manipulation;
  user-select: none;
}
.round-btn:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}
.round-btn.active {
  background: var(--accent-teal);
  border-color: var(--accent-teal);
  color: #0f0f1a;
  font-weight: 700;
}


/* ══════════════════════════════════════════════════════════════════
   DASHBOARD — Desktop-first layout
   ══════════════════════════════════════════════════════════════════ */
.dash-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.dash-header {
  background: var(--bg-raised);
  color: var(--text);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.dash-header h1 {
  font-size: 1.15rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dash-header .export-group { display: flex; gap: 8px; }

.dash-body { display: flex; flex: 1; overflow: hidden; }

.dash-nav {
  width: 200px;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
}
.dash-nav button {
  display: block;
  width: 100%;
  padding: 11px 20px;
  background: none;
  border: none;
  text-align: left;
  font-size: .9rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s;
  border-left: 3px solid transparent;
}
.dash-nav button:hover {
  background: rgba(255,255,255,.04);
  color: var(--text);
}
.dash-nav button.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
}

.dash-content {
  flex: 1;
  padding: 24px;
  overflow: auto;
  background: var(--bg);
}

/* ── Tab panels ─────────────────────────────────────────────────── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Matrix table ───────────────────────────────────────────────── */
.matrix-toggle {
  display: inline-flex;
  background: var(--bg-raised);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.toggle-btn {
  padding: 5px 14px;
  font-size: .8rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.toggle-btn:not(:last-child) {
  border-right: 1px solid var(--border);
}
.toggle-btn.active {
  background: var(--accent-teal);
  color: var(--bg);
}
.toggle-btn:hover:not(.active) {
  background: rgba(115, 204, 204, .15);
  color: var(--text);
}

.matrix-wrap {
  overflow: auto;
  max-height: calc(100vh - 200px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}

.matrix-table {
  border-collapse: collapse;
  font-size: .82rem;
  white-space: nowrap;
}
.matrix-table th, .matrix-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: center;
}
.matrix-table thead th {
  background: var(--bg-raised);
  font-weight: 600;
  color: var(--text);
  position: sticky;
  top: 0;
  z-index: 1;
}
.matrix-table tbody tr:first-child th,
.matrix-table tbody td:first-child {
  background: var(--bg-raised);
  font-weight: 600;
  color: var(--text);
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 1;
}
.matrix-table tbody tr:first-child th { z-index: 2; }

/* Cell colours — vivid on dark */
.cell-high {
  background: rgba(143, 227, 163, .2);
  color: var(--accent-green);
  font-weight: 600;
}
.cell-mid {
  background: rgba(250, 214, 115, .15);
  color: var(--accent-yellow);
}
.cell-low {
  background: rgba(242, 140, 140, .18);
  color: var(--accent-red);
}
.cell-empty {
  background: var(--bg);
  color: var(--text-muted);
}

/* Split view: two scores stacked */
.cell-split {
  padding: 2px 4px !important;
  background: transparent !important;
}
.split-inner {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1px;
}
.split-score {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  line-height: 1.4;
  padding: 1px 6px;
  border-radius: 3px;
  text-align: center;
}
.split-high { background: rgba(143, 227, 163, .2); color: var(--accent-green); }
.split-mid  { background: rgba(250, 214, 115, .15); color: var(--accent-yellow); }
.split-low  { background: rgba(242, 140, 140, .18); color: var(--accent-red); }
.split-none { background: var(--bg); color: var(--text-muted); }

.cell-score {
  cursor: pointer;
  border-radius: 4px;
  transition: filter .1s;
}
.cell-score:hover { filter: brightness(1.2); }

/* Everyone mode: the mirrored half + diagonal are blanked so each pair shows once */
.cell-void {
  background: repeating-linear-gradient(45deg,
    transparent, transparent 5px,
    rgba(255,255,255,.025) 5px, rgba(255,255,255,.025) 6px);
  cursor: default;
}

/* Everyone mode: suggested groups */
.group-suggest { margin-top: 30px; }
.group-suggest h3 { margin-bottom: 4px; }
.gs-controls {
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap; margin: 14px 0 16px;
}
.gs-num { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--text-muted); }
.gs-num > span { white-space: nowrap; }
.gs-num select {
  background: var(--bg-raised); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 6px;
  padding: 5px 8px; font-size: .85rem; width: auto; min-width: 64px;
}
.gs-plan { font-size: .82rem; color: var(--text-muted); }
.gs-summary { font-size: .82rem; color: var(--text-muted); margin-bottom: 14px; }
.gs-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.gs-card {
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 14px; background: var(--bg-raised);
}
.gs-card-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.gs-card-title { font-weight: 600; }
.gs-card-score { font-weight: 700; font-size: 1.05rem; }
.score-none { color: var(--text-muted); }
.gs-members { display: flex; flex-wrap: wrap; gap: 6px; }
.gs-chip {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; padding: 3px 10px; font-size: .82rem;
}
.gs-card-foot { margin-top: 10px; font-size: .74rem; color: var(--text-muted); }

/* Everyone mode: ranked "best matches" list below the matrix */
.pair-rank { margin-top: 30px; }
.pair-rank h3 { margin-bottom: 4px; }
.pair-rank-sub { font-size: .8rem; color: var(--text-muted); margin-bottom: 14px; }
.pair-rank-row {
  display: grid;
  grid-template-columns: minmax(150px, 1.3fr) 46px minmax(110px, 2fr) minmax(140px, auto);
  align-items: center;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.pair-rank-names { font-weight: 600; }
.pair-rank-names .vs { color: var(--text-muted); font-weight: 400; margin: 0 7px; }
.pair-rank-score { font-weight: 700; text-align: right; }
.pair-rank-bar-wrap { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.pair-rank-bar { height: 100%; border-radius: 4px; transition: width .3s; }
.pair-rank-dirs { font-size: .78rem; color: var(--text-muted); }
.bar-high { background: var(--accent-green); }
.bar-mid  { background: var(--accent-yellow); }
.bar-low  { background: var(--accent-red); }
.score-high { color: var(--accent-green); }
.score-mid  { color: var(--accent-yellow); }
.score-low  { color: var(--accent-red); }

/* ── Modal ──────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.show { display: flex; }

.modal {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 460px;
  width: calc(100% - 40px);
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  color: var(--text);
}
.modal h3 { font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.modal .close-btn {
  float: right;
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  margin-top: -4px;
}

.rating-detail {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 10px;
  font-size: .875rem;
  background: var(--bg-raised);
}
.rating-detail .detail-header {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}
.rating-detail .scores {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.rating-detail .score-item span:first-child { color: var(--text-muted); }
.rating-detail .score-item span:last-child  { font-weight: 600; color: var(--accent-sky); }
.rating-detail .notes { font-style: italic; color: var(--text-muted); font-size: .82rem; margin-top: 4px; }

/* ── Matches panel ──────────────────────────────────────────────── */
.match-list { display: flex; flex-direction: column; gap: 8px; }
.match-item {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .9rem;
  background: var(--card);
}
.match-item.mutual-1 {
  background: rgba(143, 227, 163, .1);
  border-color: rgba(143, 227, 163, .3);
}
.match-item.mutual {
  background: rgba(140, 209, 240, .1);
  border-color: rgba(140, 209, 240, .3);
}
.match-item.one-sided { background: var(--bg-raised); }

.match-pairs { font-weight: 600; }
.match-ranks { color: var(--text-muted); font-size: .8rem; }
.match-badge {
  font-size: .7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-mutual-1 { background: rgba(143, 227, 163, .2); color: var(--accent-green); }
.badge-mutual   { background: rgba(140, 209, 240, .2); color: var(--accent-sky); }
.badge-one-side { background: rgba(255,255,255,.06); color: var(--text-muted); }

/* ── Progress grid ──────────────────────────────────────────────── */
.progress-section h3 {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 12px;
  margin-top: 20px;
}
.progress-section h3:first-child { margin-top: 0; }

.progress-table {
  border-collapse: collapse;
  font-size: .82rem;
  width: 100%;
  overflow: auto;
  display: block;
  white-space: nowrap;
}
.progress-table th, .progress-table td {
  padding: 6px 10px;
  border: 1px solid var(--border);
  text-align: center;
}
.progress-table th {
  background: var(--bg-raised);
  font-weight: 600;
  color: var(--text);
}
.progress-table td:first-child {
  text-align: left;
  font-weight: 500;
  background: var(--bg-raised);
}

.dot-done  { color: var(--success); font-size: 1rem; }
.dot-empty { color: var(--border-strong); font-size: 1rem; }
.rank-done { color: var(--success); font-weight: 700; font-size: .8rem; }
.rank-no   { color: var(--text-muted); font-size: .8rem; }

/* ── Export buttons ─────────────────────────────────────────────── */
.btn-export {
  padding: 8px 14px;
  background: rgba(255,255,255,.08);
  color: var(--text);
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-export:hover { background: rgba(255,255,255,.15); }

/* ── Password gate ──────────────────────────────────────────────── */
.password-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 40px 20px;
  background: var(--bg);
}
.password-card {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.password-card h2 { font-size: 1.1rem; margin-bottom: 6px; }
.password-card p { font-size: .875rem; color: var(--text-muted); margin-bottom: 20px; }
.password-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  font-size: 1rem;
  margin-bottom: 12px;
  background: var(--bg-raised);
  color: var(--text);
}
.password-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
.password-card .btn-submit { margin-top: 0; }
.password-error { color: var(--error); font-size: .85rem; margin-top: 8px; display: none; }
.password-error.show { display: block; }

/* ── Section header ─────────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

/* ── Settings tab ──────────────────────────────────────────────── */
.settings-section {
  margin-bottom: 32px;
  max-width: 600px;
}
.settings-section h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.settings-section > p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Team codes grid */
.team-codes-grid {
  max-width: 400px;
}
.team-code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.team-code-label {
  font-size: .9rem;
  color: var(--text);
}
.team-code-value {
  font-family: monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--accent-teal);
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(115,204,204,.08);
  transition: background .15s;
}
.team-code-value:hover {
  background: rgba(115,204,204,.18);
}

/* Pair names grid */
.pair-group-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 16px 0 8px;
}
.pair-group-label:first-child { margin-top: 0; }

.pair-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.pair-name-id {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 50px;
}
.pair-name-input {
  flex: 1;
  padding: 6px 10px;
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  font-size: .875rem;
  color: var(--text);
  background: var(--bg-raised);
  max-width: 260px;
}
.pair-name-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}
.pair-name-status {
  font-size: .75rem;
  font-weight: 600;
  min-width: 40px;
}
.pair-name-status.saved { color: var(--success); }
.pair-name-status.error { color: var(--error); }

/* Bulk names */
.bulk-names-cols {
  display: flex;
  gap: 16px;
}
.bulk-names-col {
  flex: 1;
}
.bulk-names-col label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.bulk-names-col textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  font-size: .9rem;
  color: var(--text);
  background: var(--bg-raised);
  resize: vertical;
  box-sizing: border-box;
  font-family: inherit;
}
.bulk-names-col textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* New session form */
.new-session-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
}
.session-field label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.session-field input {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid var(--border-strong);
  border-radius: 6px;
  font-size: .95rem;
  color: var(--text);
  background: var(--bg-raised);
}
.session-field input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, .2);
}

.btn-danger {
  background: var(--error) !important;
}
.btn-danger:hover {
  background: #ef4444 !important;
}

/* Criteria editor — removed old styles, see dashboard section below */

/* ── Responsive tweaks ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .dash-nav { width: 160px; }
  .dash-content { padding: 16px; }
  .dash-header { padding: 12px 16px; }
  .dash-header .export-group { display: none; }
}

/* ══════════════════════════════════════════════════════════════════
   V2 — Login page
   ══════════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
}
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
}
.login-title {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.login-subtitle {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.login-error {
  background: var(--error-bg);
  border: 1px solid var(--error);
  color: var(--error);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: .85rem;
  margin-bottom: 16px;
}
.login-toggle {
  text-align: center;
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 16px;
}
.login-toggle a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.login-toggle a:hover {
  text-decoration: underline;
}
.field {
  margin-bottom: 14px;
}
.field label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* ══════════════════════════════════════════════════════════════════
   V2 — Session list (Layer 1)
   ══════════════════════════════════════════════════════════════════ */
.sessions-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}
.sessions-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.sessions-topbar h1 {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-sky), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.user-label {
  font-size: .8rem;
  color: var(--text-muted);
}
.btn-logout {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: .8rem;
  cursor: pointer;
}
.btn-logout:hover { border-color: var(--text-muted); color: var(--text); }

.sessions-body {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
}
.sessions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.sessions-header h2 { font-size: 1.4rem; }

.btn-sm {
  width: auto;
  padding: 8px 16px;
  font-size: .85rem;
  border-radius: 8px;
  max-width: none;
}
.btn-secondary {
  background: var(--card) !important;
  border: 1px solid var(--border-strong) !important;
  color: var(--text) !important;
}
.btn-secondary:hover { background: var(--card-hover) !important; }
.btn-danger {
  background: var(--error-bg) !important;
  border: 1px solid var(--error) !important;
  color: var(--error) !important;
}
.btn-danger:hover { background: rgba(248,113,113,.2) !important; }

.sessions-section-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.session-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.session-card:hover { border-color: var(--border-strong); background: var(--card-hover); }
.session-card.archived { opacity: .6; }
.session-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.session-card-name {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.session-card-meta {
  font-size: .8rem;
  color: var(--text-muted);
}
.session-archived-badge {
  display: inline-block;
  margin-top: 8px;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--amber);
  background: var(--amber-bg);
  padding: 2px 8px;
  border-radius: 4px;
}
.sessions-archived-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .85rem;
  cursor: pointer;
  padding: 4px 0;
  margin-bottom: 12px;
}
.sessions-archived-toggle:hover { color: var(--text); }
.empty-state {
  color: var(--text-muted);
  font-size: .9rem;
  padding: 24px 0;
}

/* ══════════════════════════════════════════════════════════════════
   V2 — Session detail (Layer 2) with sidebar
   ══════════════════════════════════════════════════════════════════ */
.dash-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}
.dash-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.sidebar-session {
  padding: 16px 14px 12px;
  border-bottom: 1px solid var(--border);
}
.back-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .8rem;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;
  display: block;
}
.back-btn:hover { color: var(--text); }
.sidebar-session-name {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.3;
}


.session-status-badge {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
}
.session-status-badge.active   { background: var(--success-bg); color: var(--success); }
.session-status-badge.archived { background: var(--amber-bg);   color: var(--amber); }

.sidebar-nav, .sidebar-secondary {
  padding: 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .88rem;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.nav-item:hover   { background: var(--card); color: var(--text); }
.nav-item.active  { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.sidebar-divider  { border: none; border-top: 1px solid var(--border); margin: 4px 14px; }
.sidebar-footer {
  margin-top: auto;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.user-label-sm { font-size: .75rem; color: var(--text-muted); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-logout-sm {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .75rem;
  cursor: pointer;
  padding: 2px 0;
  white-space: nowrap;
}
.btn-logout-sm:hover { color: var(--text); }

.dash-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.dash-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px 32px;
}

/* ── View layout pieces ─────────────────────────────────────────── */
.view-header {
  margin-bottom: 24px;
}
.view-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
}


/* ── Stats row ──────────────────────────────────────────────────── */
.stats-row {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 120px;
}
.stat-value { font-size: 1.8rem; font-weight: 700; color: var(--text); line-height: 1; }
.stat-label { font-size: .75rem; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: .05em; }

/* ── Progress bars ──────────────────────────────────────────────── */
.progress-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.progress-group-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: .82rem;
}
.progress-team { width: 80px; flex-shrink: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.progress-bar-wrap { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 3px; transition: width .3s; }
.progress-count { font-size: .75rem; color: var(--text-muted); white-space: nowrap; }
.rank-dot { background: var(--success-bg); color: var(--success); font-size: .65rem; font-weight: 700; padding: 1px 5px; border-radius: 4px; }

/* ── Progress table ─────────────────────────────────────────────── */
.progress-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
  margin-bottom: 16px;
}
.progress-table th, .progress-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}
.progress-table th { color: var(--text-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }
.progress-done { color: var(--success); font-weight: 600; }

/* ── Matrix ─────────────────────────────────────────────────────── */
.legend-pill {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: .75rem;
  margin-left: 4px;
}
.legend-pill.high { background: #dcfce7; color: #166534; }
.legend-pill.mid  { background: #fef9c3; color: #854d0e; }
.legend-pill.low  { background: #fee2e2; color: #991b1b; }

/* ── Matches / rankings ─────────────────────────────────────────── */
.match-item {
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.match-item.mutual { border-color: var(--success); background: var(--success-bg); }
.match-badge {
  background: var(--primary-light);
  color: var(--primary);
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.not-yet { font-size: .75rem; color: var(--text-muted); margin-left: 4px; }

/* ── Settings sections ──────────────────────────────────────────── */
.settings-section {
  margin-bottom: 36px;
}
.settings-section h3 {
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.settings-section p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.settings-group-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ── Team code chips ────────────────────────────────────────────── */
.codes-group-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.code-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  margin: 0 6px 6px 0;
  cursor: pointer;
  font-size: .82rem;
  transition: border-color .12s;
}
.code-chip:hover     { border-color: var(--primary); }
.code-chip.copied    { border-color: var(--success); background: var(--success-bg); }
.code-chip-name      { color: var(--text-muted); }
.code-chip-code      { font-family: 'SF Mono', 'Consolas', monospace; font-weight: 700; color: var(--text); }
.code-chip-copy      { color: var(--text-muted); opacity: .4; margin-left: auto; display: flex; align-items: center; }
.code-chip:hover .code-chip-copy { opacity: 1; }
.code-chip-tick      { color: var(--success); font-size: .75rem; font-weight: 600; margin-left: auto; }

/* ── Pair names grid ────────────────────────────────────────────── */
.pair-names-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}
.pair-name-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}
.pair-code {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}
.pair-name-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: .85rem;
  font-family: inherit;
  padding: 0;
  min-width: 0;
}
.pair-name-input:focus { outline: none; }

/* ── Bulk names textarea ────────────────────────────────────────── */
.bulk-names-area {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-size: .82rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  padding: 10px 12px;
  resize: vertical;
}
.bulk-names-area:focus { outline: none; border-color: var(--primary); }

/* ── Criteria editor ────────────────────────────────────────────── */
.criteria-editor { display: flex; flex-direction: column; gap: 12px; }
.criteria-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.criteria-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.criteria-card-header .crit-name {
  flex: 1;
  font-size: .95rem;
  font-weight: 600;
}
.criteria-card-labels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.criteria-label-field {
  display: flex;
  align-items: center;
  gap: 6px;
}
.criteria-label-tag {
  font-size: .75rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 24px;
}
.criteria-card input {
  padding: 8px 10px;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-size: .85rem;
  font-family: inherit;
  width: 100%;
}
.criteria-card input:focus { outline: none; border-color: var(--primary); }
.btn-remove-crit {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-remove-crit:hover { border-color: var(--error); color: var(--error); }

/* ── Users table ────────────────────────────────────────────────── */
.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  margin-bottom: 16px;
}
.users-table th, .users-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.users-table th { color: var(--text-muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; }

/* ── Cell detail modal ──────────────────────────────────────────── */
.detail-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.detail-row:last-child { border-bottom: none; }
.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}
.detail-time { font-size: .75rem; color: var(--text-muted); }
.score-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.score-chip {
  background: var(--primary-light);
  color: var(--primary);
  font-size: .75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
}
.detail-notes { font-size: .82rem; color: var(--text-muted); font-style: italic; }

/* ── New session modal ──────────────────────────────────────────── */
.modal-wide { max-width: 520px; }
.form-error   { color: var(--error);   font-size: .82rem; }
.form-success { color: var(--success); font-size: .82rem; }

/* ── Loading spinner ────────────────────────────────────────────── */
.loading-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── New session advanced toggle ────────────────────────────────── */
.ns-advanced-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: .85rem;
  cursor: pointer;
  padding: 8px 0 4px;
  margin-top: 8px;
}
.ns-advanced-toggle:hover { color: var(--text); }

/* ── V2 session overlay on student page ─────────────────────────── */
#sessionOverlay .name-modal p {
  margin-bottom: 12px;
}

/* ══════════════════════════════════════════════════════════════════
   RANKING SESSION STYLES
   ══════════════════════════════════════════════════════════════════ */

/* ── Session Type Chooser ──────────────────────────────────────── */
.session-type-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.session-type-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  text-align: left;
  color: var(--text);
  width: 100%;
}
.session-type-card:hover {
  border-color: var(--accent-teal);
  background: var(--card-hover);
}
.session-type-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.session-type-name {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 2px;
}
.session-type-desc {
  font-size: .8rem;
  color: var(--text-muted);
}

/* ── Session Type Badge (on cards) ─────────────────────────────── */
.session-type-badge {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 2px 7px;
  border-radius: 4px;
  flex-shrink: 0;
}
.session-type-badge.matrix {
  background: var(--primary-light);
  color: var(--primary);
}
.session-type-badge.ranking {
  background: rgba(250, 186, 107, .15);
  color: var(--accent-orange);
}

/* ── Ranking Results ───────────────────────────────────────────── */
.ranking-result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.ranking-result-card.low-sample {
  border-color: rgba(250, 186, 107, .3);
}
.ranking-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.ranking-result-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}
.low-sample-badge {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--amber-bg);
  color: var(--amber);
}
.ranking-result-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 14px;
}
.ranking-stat {
  display: flex;
  flex-direction: column;
}
.ranking-stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-sky);
  line-height: 1;
}
.ranking-stat-label {
  font-size: .7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-top: 2px;
}

/* Distribution bars */
.ranking-distribution {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dist-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
}
.dist-label {
  width: 14px;
  text-align: right;
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}
.dist-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.dist-bar {
  height: 100%;
  background: var(--accent-teal);
  border-radius: 4px;
  transition: width .3s;
  min-width: 0;
}
.dist-count {
  width: 20px;
  text-align: right;
  color: var(--text-muted);
  font-size: .75rem;
  flex-shrink: 0;
}

/* ── Presentation List (admin) ─────────────────────────────────── */
.ranking-pres-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 500px;
}
.ranking-pres-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
}
.ranking-pres-drag {
  color: var(--text-muted);
  cursor: grab;
  font-size: .9rem;
  opacity: .4;
  flex-shrink: 0;
  user-select: none;
}
.ranking-pres-name {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: .9rem;
  font-family: inherit;
  padding: 6px 4px;
  min-width: 0;
}
.ranking-pres-name:focus { outline: none; }
.ranking-pres-delete {
  padding: 4px 8px !important;
  font-size: .9rem !important;
  min-height: auto !important;
  width: auto !important;
}

/* ── Voting Codes Grid ─────────────────────────────────────────── */
.voting-codes-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 600px;
}

/* ── Ranking Voter Page ────────────────────────────────────────── */
.rank-selector-wrap {
  margin-bottom: 16px;
}
.rank-select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-raised);
  border: 1.5px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23888' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}
.rank-select:focus {
  outline: none;
  border-color: rgb(170, 130, 255);
  box-shadow: 0 0 0 3px rgba(170, 130, 255, .15);
}
.rank-select option { background: var(--bg-raised); color: var(--text); }
.rank-select option.rated { color: rgb(170, 130, 255); }

.rank-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0 16px;
}

/* ── Neon Ring ──────────────────────────────────────────────────── */
.neon-ring-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 160px;
  padding: 8px 0;
}
.neon-ring-svg {
  width: 160px;
  height: 160px;
  transform: rotate(-90deg);
  overflow: visible;
}
.neon-track {
  fill: none;
  stroke: rgba(255, 255, 255, .06);
  stroke-width: 6;
}
.neon-arc {
  fill: none;
  stroke: url(#neonGrad);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 452.39; /* 2π × 72 */
  stroke-dashoffset: 452.39;
  transition: stroke-dashoffset .6s cubic-bezier(.4, 0, .2, 1),
              stroke-width .4s ease,
              opacity .4s ease;
  opacity: 0;
}
.neon-arc.active {
  opacity: 1;
}

.rank-rating-group {
  --sc: 170, 130, 255; /* violet for ranking buttons */
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.rank-rating-btn {
  flex: 1;
  min-width: 44px;
  max-width: 64px;
  min-height: 48px;
  font-size: 1.1rem;
  font-weight: 600;
  border: 2px solid rgba(var(--sc), .18);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: all .15s;
  touch-action: manipulation;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
}
.rank-rating-btn:hover {
  border-color: rgba(var(--sc), .5);
  background: rgba(var(--sc), .18);
  transform: scale(1.05);
}
.rank-rating-btn.active {
  background: rgb(var(--sc)) !important;
  border-color: rgb(var(--sc));
  color: #0f0f1a;
  font-weight: 700;
  transform: scale(1.06);
  box-shadow: 0 0 14px rgba(var(--sc), .4);
  opacity: 1;
}

.rank-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin: 12px 0;
}
.rank-progress-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background .2s;
}
.rank-progress-dot.done {
  background: rgb(170, 130, 255);
}
.rank-progress-dot.current {
  background: var(--accent-sky);
  box-shadow: 0 0 6px rgba(140,209,240,.5);
}

/* ── Category award chips ────────────────────────────────────────── */
.category-tags-wrap {
  margin-top: 12px;
  margin-bottom: 16px;
  text-align: center;
}
.award-toggle {
  background: none;
  border: 1px solid rgba(170, 130, 255, .3);
  color: rgba(170, 130, 255, .8);
  font-size: .82rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all .15s;
  margin-bottom: 10px;
}
.award-toggle:hover {
  border-color: rgba(170, 130, 255, .6);
  color: rgb(170, 130, 255);
}
.award-toggle.active {
  background: rgba(170, 130, 255, .1);
  border-color: rgb(170, 130, 255);
  color: rgb(170, 130, 255);
}
.category-label {
  font-size: .78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.category-chip {
  background: rgba(170, 130, 255, .08);
  border: 1px solid rgba(170, 130, 255, .25);
  color: var(--text-muted);
  font-size: .82rem;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all .15s;
}
.category-chip:hover {
  border-color: rgba(170, 130, 255, .5);
  color: var(--text);
}
.category-chip.active {
  background: rgba(170, 130, 255, .2);
  border-color: rgb(170, 130, 255);
  color: #fff;
  box-shadow: 0 0 8px rgba(170, 130, 255, .3);
}

/* ── Category editor (dashboard) ─────────────────────────────────── */
.categories-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.category-editor-item {
  display: flex;
  gap: 8px;
  align-items: center;
}
.category-name-input {
  max-width: 400px;
}

/* ── Tag badges in results ───────────────────────────────────────── */
.ranking-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.ranking-tag-badge {
  font-size: .75rem;
  background: rgba(170, 130, 255, .1);
  border: 1px solid rgba(170, 130, 255, .25);
  color: rgb(170, 130, 255);
  padding: 3px 10px;
  border-radius: 12px;
}
.ranking-tag-badge strong {
  margin-left: 2px;
}

/* ── Awards leaderboard ──────────────────────────────────────────── */
.awards-leaderboard {
  margin-top: 24px;
}
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.award-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.award-card-title {
  font-size: .9rem;
  font-weight: 700;
  color: rgb(170, 130, 255);
  margin-bottom: 12px;
}
.award-card-entries {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.award-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
}
.award-rank {
  width: 18px;
  text-align: center;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
}
.award-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.award-bar-wrap {
  width: 60px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  flex-shrink: 0;
}
.award-bar {
  height: 100%;
  background: rgb(170, 130, 255);
  border-radius: 3px;
}
.award-count {
  width: 24px;
  text-align: right;
  font-weight: 700;
  color: rgb(170, 130, 255);
  flex-shrink: 0;
}

/* ── Banner for info type ──────────────────────────────────────── */
.banner.info {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(0, 122, 255, .3);
}

/* ── Top 5 Summary ─────────────────────────────────────────────── */
.top5-summary {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
}
.top5-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}
.top5-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.top5-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top5-rank {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.top5-name {
  font-size: .88rem;
  font-weight: 600;
  color: var(--text);
  min-width: 100px;
  max-width: 200px;
  flex-shrink: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.top5-bar-wrap {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.top5-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-sky));
  border-radius: 5px;
  transition: width .3s;
}
.top5-score {
  font-size: .85rem;
  font-weight: 700;
  color: var(--accent-sky);
  width: 36px;
  text-align: right;
  flex-shrink: 0;
}

/* ── Responsive sidebar ─────────────────────────────────────────── */
@media (max-width: 700px) {
  .dash-shell { flex-direction: column; height: auto; overflow: visible; }
  .dash-sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow: visible;
  }
  .sidebar-session { width: 100%; border-bottom: 1px solid var(--border); }
  .sidebar-nav, .sidebar-secondary { flex-direction: row; padding: 6px 8px; }
  .sidebar-footer { width: 100%; }
  .dash-content { padding: 16px; }
  .criteria-card-labels { grid-template-columns: 1fr; }
}

/* ── Help section ──────────────────────────────────────────────────── */
.help-section {
  max-width: 640px;
  margin-bottom: 32px;
}
.help-section h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.help-section ol, .help-section ul {
  padding-left: 20px;
  font-size: .88rem;
  color: var(--text);
  line-height: 1.7;
}
.help-section li {
  margin-bottom: 6px;
}
.help-section p {
  font-size: .85rem;
  color: var(--text-muted);
  margin-top: 10px;
}
.help-dl {
  font-size: .88rem;
}
.help-dl dt {
  font-weight: 700;
  color: var(--accent-sky);
  margin-top: 12px;
}
.help-dl dt:first-child { margin-top: 0; }
.help-dl dd {
  color: var(--text-muted);
  margin-left: 0;
  margin-bottom: 4px;
  line-height: 1.6;
}
/* ── Editable title ─────────────────────────────────────────────────── */
.editable-title {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.editable-title .edit-icon {
  font-size: .65em;
  opacity: 0;
  transition: opacity .15s;
  color: var(--text-muted);
}
.editable-title:hover .edit-icon { opacity: 1; }
.title-edit-input {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--accent-teal);
  border-radius: 8px;
  padding: 6px 12px;
  width: 100%;
  max-width: 400px;
  outline: none;
}

/* ── Help tabs ──────────────────────────────────────────────────────── */
.help-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.help-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: .95rem;
  font-weight: 600;
  padding: 10px 20px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.help-tab:hover { color: var(--text); }
.help-tab.active {
  color: var(--accent-teal);
  border-bottom-color: var(--accent-teal);
}