/* =====================================
   ATL Reflections – Global Styles
   Organized: tokens → base → layout → components → utilities → responsive
   ===================================== */

/* ---- Design Tokens ---- */
:root{
  --blue:#2563eb;
  --blue-50:#eff6ff;
  --green:#16a34a;
  --yellow:#f59e0b;
  --red:#dc2626;
  --text:#0f172a;
  --muted:#6b7280;
  --bg:#f8fafc;
  --card:#ffffff;
  --border:#e5e7eb;
}

/* ---- Base / Reset ---- */
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial}

/* ---- Layout ---- */
.container{max-width:1000px;margin:0 auto;padding:16px}
.site-header,.site-footer{background:#fff;border-bottom:1px solid var(--border)}
.site-footer{border-top:1px solid var(--border);border-bottom:none;margin-top:24px}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:8px}
.user-badge{display:flex;gap:8px;color:var(--muted);font-size:0.9rem}
.page-title{margin:16px 0 8px;font-size:1.5rem}

/* ---- Accordion (classes list) ---- */
.accordion{display:flex;flex-direction:column;gap:8px}
.accordion-item{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden}
.accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:#fff;border:0;cursor:pointer}
.accordion-panel{display:none;border-top:1px solid var(--border);padding:12px}
.accordion-item.open .accordion-panel{display:block}
.class-meta{display:flex;flex-direction:column;gap:4px;text-align:left}
.class-name{font-weight:600;font-size:1.2rem}
.prompt-snippet{color:var(--muted);font-size:0.9rem;max-width:640px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.status-meta{display:flex;align-items:center;gap:10px}
.center-count{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:2px solid var(--blue);font-weight:700}
.badge{padding:4px 8px;border-radius:999px;font-size:0.8rem;border:1px solid var(--border)}
.badge-complete{background:#ecfdf5;color:var(--green);border-color:#bbf7d0}
.badge-incomplete{background:#fff7ed;color:var(--yellow);border-color:#fed7aa}
.chev{font-size:1.1rem;color:var(--muted)}
.panel-actions{display:flex;gap:8px}

/* ---- Buttons ---- */
.btn{padding:8px 12px;border:1px solid var(--border);background:#fff;border-radius:8px;cursor:pointer}
.btn:hover{border-color:#cbd5e1}
.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-ghost{background:transparent;border:none}

/* Icon-only editor buttons */
.icon-btn{width:60px;height:60px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px}
.icon-btn img{width:32px;height:32px;filter:invert(1) brightness(2)}
.btn-primary[disabled]{background:#93c5fd;border-color:#93c5fd;color:#fff;opacity:1}

/* Smaller header icon buttons */
.icon-btn-sm{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px}
.icon-btn-sm img{width:32px;height:32px;filter:invert(1) brightness(2)}

/* ---- Drawer (editor) ---- */
.drawer{position:fixed;inset:0;display:grid;grid-template-columns:1fr min(900px,95vw)}
.drawer.hidden{display:none}
.drawer-panel{grid-column:2;position:relative;z-index:2;background:#fff;height:100%;display:flex;flex-direction:column}
.drawer-overlay{grid-column:1;background:rgba(0,0,0,.4);z-index:1}
.drawer-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border)}
.drawer-body{padding:16px;display:flex;flex-direction:column;gap:12px}
.drawer-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

/* ---- Editor ---- */
.prompt{font-size:0.95rem;color:#111827;background:var(--blue-50);border:1px solid #bfdbfe;border-radius:8px;padding:10px}
.editor{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);font-size:1rem;resize:vertical;font-family:"Noto Sans TC","Noto Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
.counter-row{display:flex;align-items:center;justify-content:space-between}
.counter{font-weight:700}
.counter.red{color:var(--red)}
.counter.yellow{color:var(--yellow)}
.counter.green{color:var(--green)}

/* ---- Empty State ---- */
.empty{background:#fff;padding:24px;border:1px solid var(--border);border-radius:10px;margin-top:8px}

/* ---- Admin Gauges ---- */
.gauges{display:grid;grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));gap:10px}
.gauge-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;cursor:pointer;transition:transform .08s ease, box-shadow .08s ease, border-color .08s ease;text-align:left;display:flex;flex-direction:column;gap:4px}
.gauge-card:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(15,23,42,.12);border-color:#bfdbfe}
.gauge-card:focus{outline:2px solid #bfdbfe;outline-offset:2px}
.gauge-card .gauge{font-size:1.6rem;text-align:left}
.gauge-subtext{font-size:.9rem;color:var(--muted)}
.gauge-actions{font-size:.9rem;color:var(--muted)}

/* ---- Admin Progress Modal ---- */
.progress-modal-card{overflow:visible;min-height:560px}
.progress-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.pill-card{border:1px solid var(--border);border-radius:10px;padding:12px 14px;min-height:88px;background:#f8fafc;cursor:pointer;transition:border-color .12s ease, box-shadow .12s ease, transform .08s ease}
.pill-card h4{margin:0 0 4px 0;font-size:1rem}
.pill-card .pill-value{font-size:1.2rem;font-weight:700}
.pill-card .pill-note{color:var(--muted);font-size:.9rem}
.pill-card:hover{border-color:#bfdbfe;box-shadow:0 8px 22px rgba(15,23,42,.1);transform:translateY(-1px)}
.pill-card.active{border-color:#2563eb;box-shadow:0 8px 22px rgba(37,99,235,.16);background:#eff6ff}
.progress-table-wrap{overflow:auto;border:1px solid var(--border);border-radius:10px;background:#fff;max-height:420px;min-height:260px}
.progress-table{width:100%;border-collapse:collapse;font-size:.95rem}
.progress-table th,.progress-table td{padding:10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.progress-table tbody tr:hover{background:#f9fafb}
.status-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-weight:600;font-size:.9rem;border:1px solid transparent;white-space:nowrap}
.status-pill.vampire{background:#fee2e2;border-color:#fecaca;color:#991b1b}
.status-pill.partial{background:#fef9c3;border-color:#fef08a;color:#854d0e}
.status-pill.complete{background:#dcfce7;border-color:#bbf7d0;color:#166534}
.status-pill.no_required{background:#e5e7eb;border-color:#d1d5db;color:#374151}
.pending-chip{display:inline-flex;align-items:center;gap:6px;padding:4px 8px;border-radius:14px;font-size:.9rem;border:1px solid var(--border);background:#fff;margin:3px 3px 3px 0}
.pending-chip.missing{border-color:#fecaca;background:#fff1f2;color:#991b1b}
.pending-chip.partial{border-color:#fef08a;background:#fffbeb;color:#92400e}
.pending-chip .chars{color:var(--muted);font-family:monospace}
.pending-chip .label{font-weight:600}

/* ---- Admin header helpers ---- */
.admin-controls{display:flex;gap:.5rem;align-items:center}
.student-picker{min-width:220px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---- Responsive tweaks ---- */
@media (max-width: 720px){
  .container{padding:12px}
  .prompt-snippet{max-width:420px}
  .drawer{grid-template-columns:1fr min(100vw, 100vw)}
}

/* ---- Auth Modal (gate until login) ---- */
.auth-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;background:rgba(0,0,0,0.55);backdrop-filter:saturate(120%) blur(1px)}
.auth-card{width:min(560px, 92vw);background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px 20px;box-shadow:0 10px 30px rgba(0,0,0,0.15);text-align:center}
.auth-splash{display:block;margin:8px auto 12px auto;max-width:280px;width:80%;height:auto}
.auth-title{margin:4px 0 0 0;font-size:1.4rem}
.auth-sub{margin:6px 0 16px 0;color:var(--muted)}
.auth-note{margin:10px 0 0 0;color:var(--muted);font-size:.9rem}
.google-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid #dadce0;border-radius:20px;background:#fff;color:#202124;text-decoration:none;font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,0.06)}
.google-btn:hover{background:#f8f9fa;border-color:#c9cdd3}
.google-btn:active{background:#f1f3f4}
.google-btn .g-logo{display:inline-flex;width:18px;height:18px}