/* ============================================================
   Bangla AI — Shared App Styles
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0a0f;--surface:#12121a;--surface-2:#1a1a26;--surface-3:#22222f;
  --border:rgba(255,255,255,.05);--border-hi:rgba(255,255,255,.1);
  --text:#e8e8ef;--text-dim:#8a8a9a;--text-muted:#55556a;
  --cyan:#00e5ff;--magenta:#ff2d8a;--violet:#8b5cf6;--green:#22c55e;--red:#ef4444;--amber:#f59e0b;
  --gradient:linear-gradient(135deg,#00e5ff 0%,#8b5cf6 50%,#ff2d8a 100%);
  --font-display:'Syne',sans-serif;--font-body:'DM Sans',sans-serif;
  --radius:14px;--radius-sm:8px;
  --sidebar-w:260px;
}
html{background:var(--bg)}
body{font-family:var(--font-body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:var(--font-body)}
input,select,textarea{font-family:var(--font-body)}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--surface)}
::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:3px}

/* ── Auth Page ── */
.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative}
.auth-ambient{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.auth-ambient .orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.1}
.auth-ambient .orb:nth-child(1){width:500px;height:500px;background:var(--cyan);top:-15%;left:-10%}
.auth-ambient .orb:nth-child(2){width:400px;height:400px;background:var(--violet);bottom:-10%;right:-5%}
.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border-hi);border-radius:20px;padding:40px 36px;position:relative;z-index:1}
.auth-logo{font-family:var(--font-display);font-weight:800;font-size:1.6rem;text-align:center;margin-bottom:8px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.auth-subtitle{text-align:center;color:var(--text-dim);font-size:.92rem;margin-bottom:32px}
.auth-tabs{display:flex;gap:0;margin-bottom:28px;background:var(--surface-2);border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}
.auth-tab{flex:1;padding:10px;text-align:center;font-size:.88rem;font-weight:600;cursor:pointer;color:var(--text-dim);transition:all .2s;border:none;background:none}
.auth-tab.active{background:var(--surface-3);color:var(--text)}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.8rem;color:var(--text-dim);margin-bottom:6px;font-weight:500;text-transform:uppercase;letter-spacing:.05em}
.form-input{width:100%;padding:11px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-hi);background:var(--surface-2);color:var(--text);font-size:.92rem;outline:none;transition:border-color .2s}
.form-input:focus{border-color:var(--cyan)}
.form-input::placeholder{color:var(--text-muted)}
.btn-primary{display:block;width:100%;padding:13px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:700;border:none;cursor:pointer;background:var(--gradient);color:#000;transition:opacity .2s}
.btn-primary:hover{opacity:.85}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-secondary{display:block;width:100%;padding:11px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;border:1px solid var(--border-hi);background:transparent;color:var(--text);cursor:pointer;transition:all .2s}
.btn-secondary:hover{background:var(--surface-2)}
.auth-footer{text-align:center;margin-top:20px;font-size:.84rem;color:var(--text-dim)}
.auth-footer a{color:var(--cyan)}
.auth-error{padding:10px 14px;border-radius:var(--radius-sm);background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);color:var(--red);font-size:.85rem;margin-bottom:16px;display:none}
.auth-success{padding:10px 14px;border-radius:var(--radius-sm);background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:var(--green);font-size:.85rem;margin-bottom:16px;display:none}

/* ── App Layout ── */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50;transition:transform .3s}
.sidebar-header{padding:20px 24px;border-bottom:1px solid var(--border)}
.sidebar-logo{font-family:var(--font-display);font-weight:800;font-size:1.3rem;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto}
.nav-section{margin-bottom:20px}
.nav-section-title{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);padding:0 12px;margin-bottom:8px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);font-size:.88rem;color:var(--text-dim);cursor:pointer;transition:all .15s;border:none;background:none;width:100%;text-align:left}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{background:rgba(139,92,246,.1);color:var(--violet)}
.nav-item svg{width:18px;height:18px;flex-shrink:0;opacity:.6}
.nav-item.active svg{opacity:1}
.sidebar-footer{padding:16px;border-top:1px solid var(--border)}
.user-info{display:flex;align-items:center;gap:10px;padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s}
.user-info:hover{background:var(--surface-2)}
.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#000;flex-shrink:0}
.user-meta{overflow:hidden}
.user-name{font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-plan{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}
.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;border-bottom:1px solid var(--border);background:var(--surface);position:sticky;top:0;z-index:40}
.topbar-title{font-family:var(--font-display);font-size:1.2rem;font-weight:700}
.topbar-actions{display:flex;align-items:center;gap:16px}
.credit-badge{display:flex;align-items:center;gap:6px;padding:6px 14px;border-radius:99px;background:var(--surface-2);border:1px solid var(--border-hi);font-size:.85rem;font-weight:600}
.credit-badge .amt{color:var(--cyan)}
.page-content{flex:1;padding:32px}

/* ── Cards & Panels ── */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.panel-title{font-family:var(--font-display);font-size:1.05rem;font-weight:700}
.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.model-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:all .2s;position:relative}
.model-card:hover{border-color:var(--violet);transform:translateY(-2px)}
.model-card.selected{border-color:var(--violet);box-shadow:0 0 20px -8px rgba(139,92,246,.3)}
.model-card h4{font-family:var(--font-display);font-size:.95rem;font-weight:700;margin-bottom:4px}
.model-card p{font-size:.8rem;color:var(--text-dim);line-height:1.4}
.model-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.badge-video{background:rgba(139,92,246,.15);color:var(--violet)}
.badge-image{background:rgba(0,229,255,.15);color:var(--cyan)}
.badge-price{background:rgba(255,45,138,.1);color:var(--magenta);margin-left:6px}

/* ── Generation Form ── */
.gen-form{max-width:700px}
.gen-form .form-group{margin-bottom:20px}
.gen-form textarea{min-height:100px;resize:vertical}
.form-row{display:flex;gap:16px;flex-wrap:wrap}
.form-row .form-group{flex:1;min-width:150px}
.form-select{width:100%;padding:11px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-hi);background:var(--surface-2);color:var(--text);font-size:.92rem;outline:none;cursor:pointer}
.form-select:focus{border-color:var(--cyan)}
.form-toggle{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.88rem;color:var(--text-dim)}
.form-toggle input[type="checkbox"]{display:none}
.form-toggle .toggle-switch{width:40px;height:22px;border-radius:99px;background:var(--surface-3);border:1px solid var(--border-hi);position:relative;transition:all .2s;flex-shrink:0}
.form-toggle .toggle-switch::after{content:'';width:16px;height:16px;border-radius:50%;background:var(--text-dim);position:absolute;top:2px;left:3px;transition:all .2s}
.form-toggle input:checked + .toggle-switch{background:rgba(139,92,246,.2);border-color:var(--violet)}
.form-toggle input:checked + .toggle-switch::after{transform:translateX(18px);background:var(--violet)}
.file-upload{border:2px dashed var(--border-hi);border-radius:var(--radius);padding:24px;text-align:center;cursor:pointer;transition:border-color .2s}
.file-upload:hover{border-color:var(--violet)}
.file-upload p{font-size:.85rem;color:var(--text-dim)}
.file-upload .preview{max-width:200px;max-height:150px;border-radius:var(--radius-sm);margin:10px auto 0;display:none}
.gen-btn{padding:13px 32px;border-radius:var(--radius-sm);font-size:.95rem;font-weight:700;border:none;cursor:pointer;background:var(--gradient);color:#000;transition:opacity .2s;display:inline-flex;align-items:center;gap:8px}
.gen-btn:hover{opacity:.85}
.gen-btn:disabled{opacity:.5;cursor:not-allowed}
.gen-btn .spinner{width:16px;height:16px;border:2px solid transparent;border-top-color:#000;border-radius:50%;animation:spin .6s linear infinite;display:none}
.gen-btn.loading .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Results ── */
.result-box{margin-top:24px;display:none}
.result-box.show{display:block}
.result-status{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem}
.result-status.pending{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.2);color:var(--amber)}
.result-status.success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:var(--green)}
.result-status.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);color:var(--red)}
.result-media{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.result-media video,.result-media img{width:100%;border-radius:var(--radius-sm);border:1px solid var(--border)}

/* ── History Table ── */
.data-table{width:100%;border-collapse:collapse}
.data-table th{text-align:left;padding:12px 16px;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--border-hi);font-weight:700}
.data-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.88rem;color:var(--text-dim)}
.data-table tr:hover td{background:var(--surface-2)}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.status-dot.completed{background:var(--green)}
.status-dot.pending,.status-dot.processing{background:var(--amber)}
.status-dot.failed{background:var(--red)}

/* ── Storyboard ── */
.storyboard-timeline{display:flex;gap:16px;overflow-x:auto;padding:16px 0}
.story-frame{flex-shrink:0;width:220px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:12px;position:relative}
.story-frame-img{width:100%;aspect-ratio:16/9;background:var(--surface-3);border-radius:var(--radius-sm);overflow:hidden;display:flex;align-items:center;justify-content:center;margin-bottom:8px;font-size:.75rem;color:var(--text-muted)}
.story-frame-img img{width:100%;height:100%;object-fit:cover}
.story-frame textarea{width:100%;border:none;background:transparent;color:var(--text);font-size:.8rem;resize:none;outline:none;min-height:50px}
.story-frame-num{position:absolute;top:6px;left:6px;width:22px;height:22px;border-radius:50%;background:var(--violet);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700}
.story-frame-actions{display:flex;gap:6px;margin-top:8px}
.story-frame-actions button{flex:1;padding:6px;border-radius:4px;border:1px solid var(--border);background:none;color:var(--text-dim);font-size:.72rem;cursor:pointer;transition:all .15s}
.story-frame-actions button:hover{background:var(--surface-3);color:var(--text)}
.add-frame-btn{flex-shrink:0;width:220px;border:2px dashed var(--border-hi);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);font-size:.9rem;transition:all .2s;min-height:200px}
.add-frame-btn:hover{border-color:var(--violet);color:var(--violet)}

/* ── Admin Stats ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat-card .stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.stat-card .stat-value{font-family:var(--font-display);font-size:1.8rem;font-weight:800}
.stat-card .stat-sub{font-size:.78rem;color:var(--text-dim);margin-top:4px}

/* ── Toasts ── */
.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:.88rem;animation:toastIn .3s ease;max-width:360px}
.toast.info{background:rgba(0,229,255,.1);border:1px solid rgba(0,229,255,.2);color:var(--cyan)}
.toast.success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:var(--green)}
.toast.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);color:var(--red)}
@keyframes toastIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}

/* ── Mobile ── */
.mobile-toggle{display:none;position:fixed;top:16px;left:16px;z-index:60;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);color:var(--text);cursor:pointer;font-size:1.2rem}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .mobile-toggle{display:flex;align-items:center;justify-content:center}
  .main-content{margin-left:0}
  .topbar{padding:16px 16px 16px 60px}
  .page-content{padding:20px 16px}
}

/* ── Empty States ── */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim)}
.empty-state svg{margin-bottom:16px;opacity:.3}
.empty-state h3{font-family:var(--font-display);font-size:1.1rem;color:var(--text);margin-bottom:8px}
.empty-state p{font-size:.9rem;max-width:400px;margin:0 auto}

/* ── Loading ── */
.loading-overlay{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:999}
.loading-spinner{width:40px;height:40px;border:3px solid var(--surface-2);border-top-color:var(--violet);border-radius:50%;animation:spin .8s linear infinite}