/* AIM Academy. Customer-facing teal palette. */
:root {
  --teal: #206987;
  --teal-deep: #0E3A4A;
  --teal-darker: #081F28;
  --cyan: #3FB9D9;
  --amber: #FFB547;
  --bg: #f5f7fa;
  --paper: #fff;
  --ink: #0E3A4A;
  --muted: #6b7c89;
  --border: #e2e8ee;
  --ok: #1f9d55;
  --bad: #d04848;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55}
.boot{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--muted)}

/* Layout */
.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{background:var(--teal-darker);color:#cfdde6;padding:24px 20px;display:flex;flex-direction:column;gap:24px;border-right:1px solid #0a1a22}
.sidebar .brand{font-family:Montserrat,sans-serif;font-weight:800;color:#fff;letter-spacing:6px;font-size:18px;display:flex;align-items:center;gap:8px}
.sidebar .brand .dot{width:24px;height:24px;border:2px solid var(--cyan);border-radius:50%;display:inline-block;position:relative}
.sidebar .brand .dot::before,.sidebar .brand .dot::after{content:'';position:absolute;background:var(--cyan)}
.sidebar .brand .dot::before{left:50%;top:-6px;width:2px;height:6px;transform:translateX(-50%)}
.sidebar .brand .dot::after{left:-6px;top:50%;width:6px;height:2px;transform:translateY(-50%)}
.sidebar h3{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:#7c97a4;margin:0 0 8px 4px;font-weight:600}
.sidebar a, .sidebar button{background:none;border:none;color:#cfdde6;cursor:pointer;text-align:left;font:inherit;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;width:100%}
.sidebar a:hover, .sidebar button:hover{background:#0e2733;color:#fff}
.sidebar a.active{background:#103444;color:#fff}
.sidebar .mod-row{padding:10px 10px;border-radius:8px;display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.sidebar .mod-row:hover{background:#0e2733}
.sidebar .mod-row .ix{width:22px;height:22px;border-radius:50%;border:1.5px solid #4a6573;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#7c97a4;flex-shrink:0;margin-top:2px}
.sidebar .mod-row.done .ix{background:var(--cyan);border-color:var(--cyan);color:#0E3A4A}
.sidebar .mod-row.locked{opacity:0.5;cursor:not-allowed}
.sidebar .mod-row .lab{font-size:13.5px;color:#fff;line-height:1.3}
.sidebar .mod-row .meta{font-size:11px;color:#7c97a4;margin-top:2px}
.sidebar .me{margin-top:auto;padding:12px;background:#0a1a22;border-radius:10px;font-size:13px}
.sidebar .me .e{color:#7c97a4;font-size:11px;letter-spacing:0.5px}

.main{padding:32px 40px;max-width:1080px;width:100%}

/* Auth */
.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,var(--teal-darker),var(--teal-deep));padding:24px}
.auth{max-width:460px;width:100%;background:#fff;padding:36px 32px;border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,0.18)}
.auth .logo{font-family:Montserrat,sans-serif;font-weight:800;color:var(--teal);letter-spacing:6px;font-size:18px;text-align:center;margin-bottom:24px}
.auth h1{font-family:Montserrat,sans-serif;font-size:24px;color:var(--teal-deep);margin-bottom:6px;font-weight:700}
.auth .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
.auth label{display:block;font-size:13px;color:var(--ink);margin:14px 0 6px;font-weight:500}
.auth input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:8px;font:inherit;outline:none}
.auth input:focus{border-color:var(--teal)}
.auth button.primary{margin-top:18px;width:100%;background:var(--teal);color:#fff;border:none;padding:12px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}
.auth button.primary:hover{background:#185878}
.auth .toggle{text-align:center;margin-top:16px;font-size:13px;color:var(--muted)}
.auth .toggle a{color:var(--teal);cursor:pointer;text-decoration:none}
.auth .msg{margin-top:14px;padding:10px 12px;border-radius:8px;font-size:13.5px}
.auth .msg.ok{background:#e7f6ed;color:#0e6238}
.auth .msg.err{background:#fdecec;color:#8a2424}

/* Cards / blocks */
.card{background:var(--paper);border-radius:12px;padding:24px;border:1px solid var(--border);margin-bottom:20px}
.h-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;gap:16px}
h1.page{font-family:Montserrat,sans-serif;font-size:28px;color:var(--teal-deep);font-weight:700}
h2{font-family:Montserrat,sans-serif;font-size:20px;color:var(--teal-deep);margin-bottom:10px}
h3{font-family:Montserrat,sans-serif;font-size:16px;color:var(--teal-deep);margin-bottom:8px}
.muted{color:var(--muted)}
.pill{display:inline-block;padding:3px 10px;border-radius:14px;font-size:11.5px;font-weight:600;background:#e9eff3;color:var(--teal)}
.pill.ok{background:#e0f2e7;color:#0c6e3a}
.pill.amber{background:#fff3dc;color:#8a5a00}

button.primary,a.primary{background:var(--teal);color:#fff;border:none;padding:11px 22px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-block}
button.primary:hover{background:#185878}
button.secondary{background:#fff;color:var(--teal);border:1px solid var(--teal);padding:10px 20px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}

/* Slide stage */
.stage{background:linear-gradient(160deg,#0E3A4A,#081F28);color:#fff;border-radius:14px;padding:48px;min-height:420px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.stage h2.title{font-family:Montserrat,sans-serif;font-size:40px;color:#fff;margin-bottom:18px;line-height:1.1;font-weight:800;letter-spacing:-0.5px}
.stage .body{font-size:17px;line-height:1.65;color:#cfdde6;max-width:760px}
.stage.cover h2.title{font-size:64px;text-align:center;letter-spacing:-1px}
.stage.cover .body{text-align:center}
.stage .crumb{position:absolute;top:20px;left:24px;font:11px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:2px;color:#7c97a4}
.stage .crumb b{color:var(--cyan)}
.stage .num{position:absolute;top:20px;right:24px;font:11px/1 'JetBrains Mono',ui-monospace,monospace;letter-spacing:2px;color:#7c97a4}

.nav-row{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:16px}
.nav-row .progress{flex:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.nav-row .progress > div{height:100%;background:var(--teal);transition:width 0.3s ease}

/* Quiz */
.quiz{background:#fff;border:1px solid var(--border);border-radius:12px;padding:32px;margin-bottom:24px}
.quiz .stem{font-family:Montserrat,sans-serif;font-size:20px;color:var(--teal-deep);margin-bottom:20px;line-height:1.4}
.quiz .opts{display:flex;flex-direction:column;gap:10px}
.quiz .opt{padding:14px 18px;border:1.5px solid var(--border);border-radius:10px;cursor:pointer;background:#fff;text-align:left;font:inherit;color:var(--ink);transition:all 0.15s}
.quiz .opt:hover{border-color:var(--teal);background:#f4fafd}
.quiz .opt.selected{border-color:var(--teal);background:#eaf3f8}
.quiz .opt.correct{border-color:var(--ok);background:#e7f6ed}
.quiz .opt.wrong{border-color:var(--bad);background:#fdecec}
.quiz .feedback{margin-top:18px;padding:12px 16px;border-radius:8px;font-size:14px}
.quiz .feedback.ok{background:#e7f6ed;color:#0e6238}
.quiz .feedback.bad{background:#fdecec;color:#8a2424}

/* Drag order */
.drag-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.drag-item{padding:12px 16px;border:1.5px solid var(--border);border-radius:8px;background:#fff;cursor:grab;display:flex;align-items:center;gap:12px;user-select:none}
.drag-item.dragging{opacity:0.4}
.drag-item .gx{color:var(--muted);font-size:18px;cursor:grab}
.drag-item .ix{width:24px;height:24px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0}

/* Label image */
.label-canvas{position:relative;display:inline-block;margin-top:12px;border:1px solid var(--border);border-radius:8px;overflow:hidden;cursor:crosshair;max-width:100%}
.label-canvas img,.label-canvas svg{display:block;max-width:100%;width:600px;height:auto}
.label-canvas .pin{position:absolute;width:32px;height:32px;border-radius:50%;background:var(--amber);border:3px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,0.3);transform:translate(-50%,-100%);cursor:move;display:flex;align-items:center;justify-content:center;color:#0E3A4A;font-weight:700;font-size:11px;pointer-events:none}

/* Draw route */
.draw-canvas{display:block;border:1px solid var(--border);border-radius:8px;background:#fff;cursor:crosshair;touch-action:none;max-width:100%}
.draw-tools{display:flex;gap:8px;margin-top:12px}

/* Profile form */
.form .row{margin-bottom:14px}
.form label{display:block;font-size:13px;font-weight:500;margin-bottom:5px;color:var(--ink)}
.form input,.form select,.form textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}
.form .grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Empty / dashboard */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.dash-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}
.dash-card h3{font-size:14px;color:var(--muted);font-family:Inter,sans-serif;font-weight:500;text-transform:uppercase;letter-spacing:0.5px}
.dash-card .big{font-family:Montserrat,sans-serif;font-size:36px;color:var(--teal-deep);font-weight:700;margin-top:6px}

/* Final exam start */
.final-card{background:linear-gradient(160deg,var(--teal),var(--teal-deep));color:#fff;border-radius:14px;padding:32px}
.final-card h2{color:#fff;font-size:26px}
.final-card p{color:#cfdde6;margin-top:8px}

/* Admin */
.admin-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--border);font-size:13.5px}
.admin-table th{background:#f5f7fa;padding:10px 14px;text-align:left;font-weight:600;color:var(--teal-deep);border-bottom:1px solid var(--border);font-size:12px;letter-spacing:0.3px;text-transform:uppercase}
.admin-table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.admin-table tr:last-child td{border-bottom:none}

@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .sidebar{display:none}
  .main{padding:18px}
  .stage{padding:24px;min-height:320px}
  .stage h2.title{font-size:28px}
  .stage.cover h2.title{font-size:36px}
}