:root {
    --allms-bg: #0f172a;
    --allms-panel: #111827;
    --allms-card: #1f2937;
    --allms-text: #f8fafc;
    --allms-muted: #94a3b8;
    --allms-accent: #6366f1;
    --allms-accent-2: #22c55e;
    --allms-danger: #ef4444;
}
.allms-dashboard { display: grid; grid-template-columns: 260px 1fr; gap: 24px; padding: 24px; background: var(--allms-bg); color: var(--allms-text); border-radius: 24px; }
.allms-sidebar, .allms-panel, .allms-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,.15); }
.allms-sidebar { padding: 20px; height: fit-content; position: sticky; top: 20px; }
.allms-sidebar h3 { color: #fff; margin-top: 0; }
.allms-sidebar a { display: block; color: var(--allms-muted); padding: 12px 14px; margin: 6px 0; border-radius: 12px; text-decoration: none; transition: .2s ease; }
.allms-sidebar a:hover { color: #fff; background: var(--allms-accent); }
.allms-main h2 { margin-top: 0; font-size: 32px; color: #fff; }
.allms-main h3, .allms-main h4 { color: #fff; }
.allms-main p { color: var(--allms-muted); }
.allms-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 20px 0; }
.allms-card { padding: 22px; }
.allms-card strong { display: block; font-size: 30px; color: #fff; }
.allms-card span { color: var(--allms-muted); }
.allms-panel { padding: 22px; margin-bottom: 22px; }
.allms-panel-header { display:flex; justify-content:space-between; gap:16px; align-items:flex-start; }
.allms-course-item, .allms-list-item { padding: 16px; border: 1px solid rgba(255,255,255,.08); border-radius: 16px; margin-bottom: 10px; background: rgba(15,23,42,.55); }
.allms-list-item strong, .allms-course-item strong { color: #fff; display:block; margin-bottom: 4px; }
.allms-list-item small { color: var(--allms-muted); display:block; margin-top: 4px; }
.allms-notice { padding: 16px; border-radius: 12px; background: #fff3cd; color: #664d03; }
.allms-form { margin: 18px 0 24px; }
.allms-compact-form { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); }
.allms-form-grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.allms-form label { display:block; color: var(--allms-muted); font-size: 14px; margin-bottom: 12px; }
.allms-form input, .allms-form select, .allms-form textarea { width:100%; margin-top: 6px; padding: 12px 14px; border-radius: 12px; border:1px solid rgba(255,255,255,.14); background: rgba(15,23,42,.88); color:#fff; outline:none; }
.allms-form input:focus, .allms-form select:focus, .allms-form textarea:focus { border-color: var(--allms-accent); box-shadow: 0 0 0 3px rgba(99,102,241,.18); }
.allms-button { display:inline-flex; align-items:center; justify-content:center; gap:8px; border:0; border-radius: 999px; background: var(--allms-accent); color:#fff; padding: 12px 18px; font-weight: 700; cursor:pointer; text-decoration:none; transition:.2s ease; }
.allms-button:hover { transform: translateY(-1px); filter: brightness(1.08); color:#fff; }
.allms-button-secondary { background: rgba(255,255,255,.14); }
.allms-button-success { background: var(--allms-accent-2); }
.allms-button-danger { background: var(--allms-danger); }
.allms-form-message { display:inline-block; color: var(--allms-muted); margin-left: 10px; }
.allms-form-message.is-success { color: #86efac; }
.allms-form-message.is-error { color: #fca5a5; }
.allms-status { display:inline-block; padding:4px 10px; border-radius:999px; font-size:12px; background:rgba(255,255,255,.12); color:#fff; text-transform:capitalize; }
.allms-status-live { background: rgba(34,197,94,.18); color:#86efac; }
.allms-status-scheduled { background: rgba(99,102,241,.18); color:#c7d2fe; }
.allms-status-completed { background: rgba(148,163,184,.18); color:#cbd5e1; }
.allms-api-box code { display:block; margin: 8px 0; padding: 10px 12px; border-radius: 10px; background: rgba(15,23,42,.88); color: #e2e8f0; white-space: normal; }
@media (max-width: 900px) {
    .allms-dashboard { grid-template-columns: 1fr; padding: 16px; }
    .allms-sidebar { position: relative; top: 0; }
    .allms-grid, .allms-form-grid { grid-template-columns: 1fr; }
}

/* Phase 3 Live Classroom */
.allms-live-classroom { margin-top: 10px; }
.allms-classroom-empty { padding: 22px; border: 1px dashed rgba(255,255,255,.18); border-radius: 18px; background: rgba(15,23,42,.45); }
.allms-classroom-shell { display:grid; grid-template-columns: minmax(0, 2fr) 360px; gap:18px; }
.allms-classroom-stage, .allms-classroom-side { background: rgba(15,23,42,.5); border:1px solid rgba(255,255,255,.08); border-radius:20px; padding:18px; }
.allms-classroom-topbar { display:flex; align-items:flex-start; justify-content:space-between; gap:16px; margin-bottom:16px; }
.allms-classroom-topbar h3 { margin:8px 0 4px; }
.allms-classroom-actions { display:flex; flex-wrap:wrap; gap:10px; justify-content:flex-end; }
.allms-video-grid { display:grid; grid-template-columns: 2fr 1fr; gap:14px; }
.allms-video-tile { min-height:180px; border-radius:18px; border:1px solid rgba(255,255,255,.1); background: linear-gradient(135deg, rgba(99,102,241,.16), rgba(34,197,94,.10)); overflow:hidden; display:flex; align-items:center; justify-content:center; }
.allms-video-main { grid-row: span 2; min-height:380px; }
.allms-video-placeholder { text-align:center; padding:20px; color:var(--allms-muted); }
.allms-video-placeholder strong { display:block; color:#fff; font-size:20px; margin-bottom:8px; }
.allms-classroom-toolbar { display:flex; gap:10px; flex-wrap:wrap; margin:16px 0; }
.allms-tool-button { border:1px solid rgba(255,255,255,.1); border-radius:999px; padding:10px 14px; background:rgba(255,255,255,.08); color:#fff; cursor:pointer; }
.allms-tool-button:hover { background:rgba(99,102,241,.35); }
.allms-tool-button.is-active { background:rgba(34,197,94,.24); color:#bbf7d0; }
.allms-classroom-note { padding:12px 14px; border-radius:14px; background:rgba(99,102,241,.14); color:#c7d2fe; }
.allms-attendance-card { padding:18px; border-radius:18px; background:rgba(34,197,94,.12); border:1px solid rgba(34,197,94,.18); margin-bottom:16px; }
.allms-attendance-card strong { display:block; font-size:34px; color:#fff; }
.allms-attendance-card span, .allms-attendance-card small { display:block; color:#bbf7d0; }
.allms-realtime-events, .allms-chat-box { padding:16px; border-radius:18px; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.08); margin-bottom:16px; }
.allms-event-log { max-height:120px; overflow:auto; }
.allms-event-log div { color:var(--allms-muted); font-size:13px; padding:6px 0; border-bottom:1px solid rgba(255,255,255,.06); }
.allms-chat-messages { height:260px; overflow:auto; padding:12px; border-radius:14px; background:rgba(15,23,42,.8); margin-bottom:12px; }
.allms-chat-message { padding:10px 0; border-bottom:1px solid rgba(255,255,255,.06); }
.allms-chat-message strong { color:#fff; display:block; font-size:13px; }
.allms-chat-message span { color:#e2e8f0; }
.allms-chat-message small { color:var(--allms-muted); display:block; margin-top:4px; }
.allms-chat-form { display:flex; gap:8px; }
.allms-chat-form input { flex:1; min-width:0; padding:12px 14px; border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(15,23,42,.88); color:#fff; }
@media (max-width: 1100px) {
    .allms-classroom-shell { grid-template-columns: 1fr; }
    .allms-video-grid { grid-template-columns: 1fr; }
    .allms-video-main { grid-row:auto; min-height:260px; }
}
@media (max-width: 680px) {
    .allms-classroom-topbar { flex-direction:column; }
    .allms-classroom-actions, .allms-chat-form { width:100%; }
    .allms-chat-form { flex-direction:column; }
}

/* Step 4: Agora-ready classroom controls */
.allms-agora-grid .allms-agora-remote,
.allms-agora-grid .allms-agora-local,
.allms-agora-grid .allms-agora-screen {
    width: 100%;
    min-height: 190px;
    border-radius: 18px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.88);
    position: relative;
}

.allms-agora-remote {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    padding: 10px;
}

.allms-remote-video {
    min-height: 220px;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    background: rgba(2, 6, 23, 0.72);
}

.allms-remote-video strong {
    position: absolute;
    left: 10px;
    top: 10px;
    z-index: 2;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.76);
    color: #fff;
}

.allms-remote-video-inner,
.allms-agora-local > div:not(.allms-video-placeholder),
.allms-agora-screen > div:not(.allms-video-placeholder) {
    width: 100%;
    height: 100%;
    min-height: 190px;
}

.allms-teacher-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
    padding: 14px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.06);
}

.allms-teacher-controls strong {
    margin-right: 8px;
}

.allms-recordings-box {
    margin-top: 18px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
}
.allms-recordings-list,
.allms-recording-row {
    display: grid;
    gap: 10px;
}
.allms-recording-row {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    padding: 10px;
    border-radius: 14px;
    background: rgba(255,255,255,0.05);
}
.allms-status-ready { background: rgba(22, 163, 74, 0.12); color: #16a34a; }
.allms-status-recording { background: rgba(220, 38, 38, 0.12); color: #dc2626; }
.allms-status-processing { background: rgba(234, 179, 8, 0.12); color: #ca8a04; }

/* Step 6: assignments and quizzes */
.allms-checkbox-label{display:flex;align-items:center;gap:8px;font-weight:600;margin-top:24px}
.allms-inline-student-submit{margin-top:16px;padding:16px;border:1px solid rgba(148,163,184,.25);border-radius:18px;background:rgba(15,23,42,.03)}
.allms-quiz-attempt-area{margin-top:16px}
.allms-question-block{padding:16px;margin:14px 0;border:1px solid rgba(148,163,184,.25);border-radius:18px;background:rgba(255,255,255,.72)}
.allms-question-block strong{display:block;margin-bottom:12px;color:#0f172a}
.allms-option{display:block;margin:8px 0;padding:10px 12px;border:1px solid rgba(148,163,184,.25);border-radius:12px;background:#fff;cursor:pointer}
.allms-option input{margin-right:8px}
.allms-assignment-card .allms-form-message,.allms-quiz-card .allms-form-message{display:inline-block;margin-left:10px;font-weight:700}
.allms-form-message.is-success{color:#047857}.allms-form-message.is-error{color:#b91c1c}

/* Step 2: Premium dashboard polish */
.allms-front-hero{padding:24px;margin-bottom:20px;border-radius:24px;background:linear-gradient(135deg,rgba(99,102,241,.28),rgba(34,197,94,.14));border:1px solid rgba(255,255,255,.1)}
.allms-front-hero span{display:inline-flex;margin-bottom:8px;padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.14);color:#c7d2fe;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.allms-front-hero h2{margin:0 0 8px}.allms-progress-line{height:12px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;margin:14px 0}.allms-progress-line span{display:block;height:100%;background:linear-gradient(90deg,#6366f1,#22c55e);border-radius:999px}.allms-parent-dashboard .allms-card{border:1px solid rgba(255,255,255,.1)}