/* =========================================================
   درس‌نمای دبستان — تم دریایی و شاد
   ========================================================= */
:root{
  --deep:#023047;
  --ocean:#0582CA;
  --lagoon:#00B4D8;
  --foam:#CAF0F8;
  --sand:#FFF8E7;
  --coral:#FF6B6B;
  --sun:#FFC93C;
  --seaweed:#2EC4B6;
  --ink:#0B2942;
  --ink-soft:#4C7A94;
  --panel:#FFFFFF;
  --line:#DCEEF5;
  --shadow: 0 10px 26px rgba(2,48,71,.12);
  --radius:18px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Vazirmatn', Tahoma, sans-serif;
  background:
    radial-gradient(circle at 8% 6%, #ffffff 0, transparent 35%),
    radial-gradient(circle at 92% 90%, var(--foam) 0, transparent 45%),
    linear-gradient(180deg, var(--foam) 0%, #EAFBFF 100%);
  color:var(--ink);
  min-height:100vh;
}
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; }

/* ---------- generic buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  border:none; cursor:pointer; border-radius:12px; padding:10px 18px;
  font-family:inherit; font-weight:700; font-size:14px; transition:transform .12s ease, box-shadow .12s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:linear-gradient(90deg,var(--ocean),var(--lagoon)); color:#fff; }
.btn-success{ background:linear-gradient(90deg,var(--seaweed),#1FA292); color:#fff; }
.btn-danger{ background:linear-gradient(90deg,var(--coral),#E5484D); color:#fff; }
.btn-ghost{ background:var(--foam); color:var(--ink); }
.btn-sm{ padding:6px 12px; font-size:12px; border-radius:9px; }
.btn:disabled{ opacity:.5; cursor:not-allowed; transform:none; }

/* ---------- auth / login page ---------- */
.auth-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px;
}
.auth-card{
  width:100%; max-width:420px; background:var(--panel); border-radius:26px;
  box-shadow:var(--shadow); padding:32px 28px; position:relative; overflow:hidden;
}
.auth-card::before{
  content:""; position:absolute; inset:0 0 auto 0; height:8px;
  background:linear-gradient(90deg,var(--ocean),var(--seaweed),var(--sun),var(--coral));
}
.auth-logo{ text-align:center; font-size:44px; margin-bottom:6px; }
.auth-logo img {
  width: 200px;
}
.auth-title{ text-align:center; font-size:20px; font-weight:800; margin:0 0 4px; color:var(--deep); }
.auth-sub{ text-align:center; font-size:13px; color:var(--ink-soft); margin:0 0 22px; }
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:13px; font-weight:700; margin-bottom:6px; color:var(--ink); }
.field input, .field select, .field textarea{
  width:100%; padding:11px 14px; border:2px solid var(--line); border-radius:12px;
  font-family:inherit; font-size:14px; background:#fff; color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--lagoon); }
.field .hint{ font-size:11px; color:var(--ink-soft); margin-top:4px; }
.alert{ border-radius:12px; padding:10px 14px; font-size:13px; margin-bottom:14px; }
.alert-error{ background:#FFE3E3; color:#B3261E; }
.alert-success{ background:#DFF7EC; color:#0F7A4C; }
.auth-links{ text-align:center; margin-top:14px; font-size:12px; color:var(--ink-soft); }

/* ---------- dashboard shell (admin/teacher) ---------- */
.shell{ display:flex; min-height:100vh; }
.sidebar{
  width:230px; background:var(--deep); color:#fff; padding:20px 14px; flex-shrink:0;
  display:flex; flex-direction:column; gap:4px;
}
.sidebar .brand{ display:flex; align-items:center; gap:8px; font-weight:800; font-size:16px; margin-bottom:18px; }
.sidebar .brand .wave{ font-size:22px; }
.sidebar a{
  display:flex; align-items:center; gap:10px; padding:11px 12px; border-radius:12px;
  color:#CFEFFF; font-size:14px; font-weight:600;
}
.sidebar a:hover{ background:rgba(255,255,255,.08); }
.sidebar a.active{ background:var(--ocean); color:#fff; }
.sidebar .sep{ height:1px; background:rgba(255,255,255,.12); margin:10px 0; }
.sidebar .logout{ margin-top:auto; color:#FFC1C1; }

.main{ flex:1; padding:22px 26px; }
.topbar{
  display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; flex-wrap:wrap; gap:10px;
}
.topbar h1{ font-size:20px; margin:0; color:var(--deep); }
.topbar .user-pill{
  background:#fff; border-radius:100px; padding:7px 14px; font-size:13px; font-weight:700;
  box-shadow:var(--shadow); color:var(--ink-soft);
}

.panel{
  background:var(--panel); border-radius:var(--radius); box-shadow:var(--shadow); padding:20px; margin-bottom:20px;
}
.panel h2{ font-size:16px; margin:0 0 14px; color:var(--deep); }

.stat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:14px; margin-bottom:20px; }
.stat-card{
  background:var(--panel); border-radius:16px; box-shadow:var(--shadow); padding:16px; text-align:center;
}
.stat-card .num{ font-size:26px; font-weight:800; color:var(--deep); }
.stat-card .lbl{ font-size:12px; color:var(--ink-soft); margin-top:4px; }

table.data{ width:100%; border-collapse:collapse; font-size:13px; }
table.data th, table.data td{ padding:10px 8px; border-bottom:1px solid var(--line); text-align:right; }
table.data th{ color:var(--ink-soft); font-size:12px; font-weight:700; }
table.data tr:hover td{ background:#F5FCFF; }
.badge{ display:inline-block; padding:3px 10px; border-radius:100px; font-size:11px; font-weight:700; }
.badge-ok{ background:#DFF7EC; color:#0F7A4C; }
.badge-off{ background:#F1F1F1; color:#888; }
.badge-info{ background:#E1F1FF; color:var(--ocean); }

.toolbar{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:16px; }
.toolbar .grow{ flex:1 1 200px; }

.empty-state{ text-align:center; padding:40px 10px; color:var(--ink-soft); }
.empty-state .icon{ font-size:38px; margin-bottom:10px; }

.pager{ display:flex; gap:6px; justify-content:center; margin-top:14px; }
.pager a{ padding:6px 12px; border-radius:8px; background:var(--foam); font-size:12px; font-weight:700; }
.pager a.active{ background:var(--ocean); color:#fff; }

@media (max-width:820px){
  .shell{ flex-direction:column; }
  .sidebar{ width:100%; flex-direction:row; overflow-x:auto; }
  .sidebar .brand{ display:none; }
  .sidebar .logout{ margin-top:0; }
}

/* =========================================================
   پنل شاد و کودکانه‌ی دانش‌آموز
   ========================================================= */
body.kid-theme{
  background:
    radial-gradient(circle at 10% 10%, #fff 0, transparent 35%),
    radial-gradient(circle at 90% 20%, #FFF3D6 0, transparent 40%),
    linear-gradient(180deg, #E1F6FF 0%, #CAF0F8 100%);
}
.kid-topbar{
  display:flex; align-items:center; justify-content:space-between; padding:16px 20px; flex-wrap:wrap; gap:10px;
}
.kid-brand{ display:flex; align-items:center; gap:10px; font-weight:800; font-size:18px; color:var(--deep); }
.kid-brand .wave{ font-size:26px; }
.kid-nav{ display:flex; gap:8px; flex-wrap:wrap; }
.kid-nav a{
  background:#fff; border-radius:100px; padding:9px 16px; font-size:13px; font-weight:800; color:var(--ink);
  box-shadow:var(--shadow);
}
.kid-nav a.active{ background:var(--sun); color:#5A3E00; }
.kid-wrap{ max-width:960px; margin:0 auto; padding:0 20px 40px; }

.kid-hero{
  background:linear-gradient(120deg, var(--ocean), var(--seaweed));
  border-radius:26px; color:#fff; padding:26px 24px; margin-bottom:22px;
  display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.kid-hero h1{ margin:0 0 6px; font-size:22px; }
.kid-hero p{ margin:0; font-size:13px; opacity:.9; }
.kid-hero .mascot{ font-size:50px; }

.kid-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:16px; }
.kid-card{
  background:#fff; border-radius:22px; box-shadow:var(--shadow); padding:18px; text-align:center;
  display:flex; flex-direction:column; gap:10px; transition:transform .15s ease;
}
.kid-card:hover{ transform:translateY(-4px); }
.kid-card .emoji{ font-size:40px; }
.kid-card h3{ margin:0; font-size:15px; color:var(--deep); }
.kid-card .meta{ font-size:11px; color:var(--ink-soft); }
.kid-card .go-btn{
  margin-top:auto; background:linear-gradient(90deg,var(--sun),#FFB100); color:#5A3E00;
  border:none; border-radius:100px; padding:10px; font-weight:800; font-size:13px; cursor:pointer;
}

.kid-card.done{ opacity:.9; }
.kid-card .score-chip{
  align-self:center; background:var(--foam); color:var(--ocean); font-weight:800; font-size:12px;
  border-radius:100px; padding:4px 12px;
}

.kid-history-item{
  display:flex; align-items:center; justify-content:space-between; background:#fff; border-radius:16px;
  padding:14px 16px; margin-bottom:10px; box-shadow:var(--shadow); flex-wrap:wrap; gap:8px;
}
.kid-history-item .title{ font-weight:700; font-size:14px; color:var(--deep); }
.kid-history-item .date{ font-size:11px; color:var(--ink-soft); }
.kid-history-item .stars{ font-size:16px; letter-spacing:2px; }

.bubble{ position:fixed; bottom:-40px; border-radius:50%; background:rgba(255,255,255,.5); pointer-events:none; z-index:0; }

/* play page (iframe holder) */
.play-frame-wrap{
  background:#0B2447; border-radius:22px; overflow:hidden; box-shadow:var(--shadow); margin-bottom:16px;
}
.play-frame-wrap iframe{ width:100%; height:640px; border:none; display:block; background:#fff; }
.play-status{ text-align:center; font-size:13px; color:var(--ink-soft); margin-bottom:10px; }