/* ─── DUAL THEME: LIGHT (default) + DARK ─────────────────── */
:root,[data-theme="light"]{
  --bg:#f5f5f7;--surface:#ffffff;--surface-2:#f0f0f3;--surface-3:#e8e8ec;--glass:rgba(0,0,0,0.02);
  --border:rgba(0,0,0,0.06);--border-h:rgba(0,0,0,0.12);
  --accent:#4f46e5;--accent-soft:rgba(79,70,229,0.06);--accent-text:#4338ca;
  --accent-hover:#4338ca;--accent-glow:rgba(79,70,229,0.15);
  --danger:#dc2626;--success:#16a34a;--warn:#d97706;
  --text:#111118;--text-2:#4a4a56;--text-3:#8a8a96;--text-4:#b8b8c4;
  --shadow:0 1px 2px rgba(0,0,0,0.04),0 4px 16px rgba(0,0,0,0.03);
  --shadow-lg:0 4px 12px rgba(0,0,0,0.05),0 16px 48px rgba(0,0,0,0.08);
  --shadow-xl:0 8px 32px rgba(0,0,0,0.08),0 32px 64px rgba(0,0,0,0.06);
  --topbar-bg:rgba(255,255,255,0.72);--topbar-blur:blur(24px) saturate(1.6);
  --sidebar-bg:#ffffff;--sidebar-active:#f0eeff;--sidebar-hover:#f8f7ff;
  --img-border:rgba(0,0,0,0.06);--input-bg:#f7f7fa;
  --heygen:#4f46e5;--kling:#0284c7;
  --code-bg:#f5f5f8;
  --modal-overlay:rgba(0,0,0,0.2);
  --card-hover-shadow:0 2px 8px rgba(0,0,0,0.06),0 8px 32px rgba(0,0,0,0.04);
}
[data-theme="dark"]{
  --bg:#09090b;--surface:#111114;--surface-2:#18181c;--surface-3:#222228;--glass:rgba(255,255,255,0.02);
  --border:rgba(255,255,255,0.06);--border-h:rgba(255,255,255,0.12);
  --accent:#6366f1;--accent-soft:rgba(99,102,241,0.08);--accent-text:#a5b4fc;
  --accent-hover:#818cf8;--accent-glow:rgba(99,102,241,0.12);
  --danger:#f87171;--success:#4ade80;--warn:#fbbf24;
  --text:#e8e8ec;--text-2:#9898a4;--text-3:#5a5a66;--text-4:#32323c;
  --shadow:0 1px 2px rgba(0,0,0,0.3),0 4px 16px rgba(0,0,0,0.2);
  --shadow-lg:0 4px 12px rgba(0,0,0,0.3),0 16px 48px rgba(0,0,0,0.35);
  --shadow-xl:0 8px 32px rgba(0,0,0,0.4),0 32px 64px rgba(0,0,0,0.3);
  --topbar-bg:rgba(11,11,14,0.72);--topbar-blur:blur(24px) saturate(1.3);
  --sidebar-bg:#0f0f12;--sidebar-active:rgba(99,102,241,0.08);--sidebar-hover:rgba(255,255,255,0.03);
  --img-border:rgba(255,255,255,0.06);--input-bg:#1a1a1e;
  --heygen:#818cf8;--kling:#38bdf8;
  --code-bg:#1a1a1e;
  --modal-overlay:rgba(0,0,0,0.5);
  --card-hover-shadow:0 2px 8px rgba(0,0,0,0.3),0 8px 32px rgba(0,0,0,0.2);
}

/* ─── RESET & BASE ────────────────────────────────────────── */
*{box-sizing:border-box;margin:0;padding:0}
html{height:100%}
body{font-family:'DM Sans',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);min-height:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}
input,textarea{outline:none;font-family:inherit;color:var(--text);background:var(--input-bg);border:1.5px solid var(--border);border-radius:10px;padding:10px 14px;font-size:13px;transition:border-color .2s,background .2s,box-shadow .2s}
input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
input::placeholder,textarea::placeholder{color:var(--text-3)}
button{font-family:inherit;cursor:pointer;transition:all .15s}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-h);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--text-4)}
audio{accent-color:var(--accent);width:100%}
img{border-radius:10px}

/* ─── ANIMATIONS ──────────────────────────────────────────── */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideInRight{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

/* ─── SIDEBAR ─────────────────────────────────────────────── */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;z-index:100;background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}
.sidebar-logo{padding:20px 22px;display:flex;align-items:center;gap:12;border-bottom:1px solid var(--border)}
.sidebar-logo-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#7c3aed);display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff;font-weight:900;box-shadow:0 2px 8px var(--accent-glow)}
.sidebar-logo-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.3px}
.sidebar-collapse{margin-left:auto;padding:5px 7px;border-radius:6px;border:none;background:transparent;color:var(--text-3);cursor:pointer;font-size:13px}
.sidebar-collapse:hover{background:var(--sidebar-hover);color:var(--text)}
.sidebar-section{padding:14px 14px 8px}
.sidebar-section-title{font-size:10px;font-weight:700;color:var(--text-3);letter-spacing:1.5px;text-transform:uppercase;padding:0 10px;margin-bottom:8px}
.sidebar-item{width:100%;padding:9px 12px;border-radius:10px;border:none;background:transparent;color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:11px;text-align:left;margin-bottom:1px;transition:all .12s}
.sidebar-item:hover{background:var(--sidebar-hover);color:var(--text)}
.sidebar-item.active{background:var(--sidebar-active);color:var(--accent);font-weight:700}
.sidebar-item-icon{font-size:15px;width:22px;text-align:center;flex-shrink:0}
.sidebar-step-dot{width:22px;height:22px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;transition:all .15s}
.sidebar-step-dot.active{background:var(--accent);color:#fff}
.sidebar-step-dot.done{background:var(--success);color:#fff}
.sidebar-step-dot.pending{background:var(--surface-2);color:var(--text-3);border:1px solid var(--border)}
.sidebar-divider{height:1px;background:var(--border);margin:4px 14px}
.sidebar-footer{padding:16px 18px;border-top:1px solid var(--border);background:var(--surface-2);margin-top:auto}
.sidebar-footer-budget{display:flex;align-items:center;justify-content:space-between;padding:0 4px;margin-bottom:12px}
.sidebar-footer-budget-label{font-size:11px;font-weight:500;color:var(--text-3)}
.sidebar-footer-budget-value{font-size:12px;font-weight:700;color:var(--text)}
.sidebar-footer-budget-limit{font-weight:400;color:var(--text-4)}
.sidebar-footer-user{display:flex;align-items:center;justify-content:space-between;padding:0 4px}
.sidebar-avatar{width:28px;height:28px;border-radius:10px;background:var(--accent-soft);color:var(--accent-text);border:1px solid var(--accent-glow);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.sidebar-username{font-size:13px;font-weight:700;color:var(--text)}
.sidebar-icon-btn{padding:5px 7px;border-radius:6px;border:none;background:transparent;color:var(--text-3);cursor:pointer;font-size:13px}
.sidebar-icon-btn:hover{background:var(--sidebar-hover);color:var(--text)}
.sidebar-icon-btn.danger:hover{background:rgba(239,68,68,.06);color:var(--danger)}

/* ─── TOP BAR ────────────────────────────────────────────── */
.topbar{position:fixed;top:0;right:0;z-index:90;height:52px;display:flex;align-items:center;padding:0 28px;background:var(--topbar-bg);backdrop-filter:var(--topbar-blur);-webkit-backdrop-filter:var(--topbar-blur);border-bottom:1px solid var(--border)}
.topbar-logo{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:800;letter-spacing:-.4px;color:var(--text);margin-right:32px}
.topbar-logo i{width:22px;height:22px;background:linear-gradient(135deg,var(--accent),#7c3aed);border-radius:6px;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:11px;color:#fff;font-weight:900}
.topbar-progress{display:flex;align-items:center;gap:3px;width:240px}
.topbar-progress-bar{flex:1;height:4px;border-radius:10px;cursor:pointer;transition:all .25s}
.topbar-progress-bar.active{background:var(--accent)}
.topbar-progress-bar.done{background:var(--success)}
.topbar-progress-bar.pending{background:var(--surface-3)}
.topbar-progress-bar:hover{opacity:.8;transform:scaleY(1.5)}
.topbar-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.topbar-btn{display:flex;align-items:center;gap:5px;padding:6px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text-2);font-size:11px;font-weight:600;white-space:nowrap}
.topbar-btn:hover{border-color:var(--border-h);color:var(--text);background:var(--surface-2)}
.topbar-tag{font-size:10px;padding:4px 12px;border-radius:100px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.topbar-tag.admin{background:rgba(217,119,6,.08);border:1px solid rgba(217,119,6,.15);color:var(--warn)}
.topbar-tag.team{background:rgba(43,138,62,.06);border:1px solid rgba(43,138,62,.12);color:var(--success)}
.topbar-project-tag{font-size:11px;color:var(--accent-text);background:var(--accent-soft);padding:4px 12px;border-radius:100px;font-weight:600;border:1px solid var(--accent-glow)}
.topbar-hamburger{padding:7px 10px;border-radius:8px;border:none;background:transparent;color:var(--text-3);cursor:pointer;font-size:14px;margin-right:16px}
.topbar-hamburger:hover{background:var(--sidebar-hover);color:var(--text)}

/* ─── MAIN STAGE ──────────────────────────────────────────── */
.stage{margin-top:52px;min-height:calc(100vh - 52px);padding:36px 0 100px}
.stage-inner{max-width:100%;margin:0;padding:0 48px}

/* ─── NAVIGATION BAR (bottom) ────────────────────────────── */
.nav-bar{position:fixed;bottom:0;right:0;z-index:90;height:60px;display:flex;align-items:center;justify-content:center;gap:16px;background:var(--topbar-bg);backdrop-filter:var(--topbar-blur);-webkit-backdrop-filter:var(--topbar-blur);border-top:1px solid var(--border)}
.nav-btn{padding:10px 28px;border-radius:10px;font-size:13px;font-weight:700;border:1px solid var(--border);background:var(--surface);color:var(--text-2);transition:all .15s}
.nav-btn:hover{border-color:var(--border-h);color:var(--text);background:var(--surface-2)}
.nav-btn.primary{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 2px 8px var(--accent-glow)}
.nav-btn.primary:hover{background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow)}
.nav-btn:disabled{opacity:.35;cursor:default;box-shadow:none}
.nav-step{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-3)}

/* ─── CARDS ───────────────────────────────────────────────── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:22px;transition:border-color .2s,box-shadow .2s;box-shadow:var(--shadow)}
.card:hover{border-color:var(--border-h);box-shadow:var(--card-hover-shadow)}
.card-dark{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:22px}

/* ─── BADGES ──────────────────────────────────────────────── */
.badge{font-size:9px;padding:3px 10px;border-radius:100px;font-weight:800;letter-spacing:.3px;display:inline-flex;align-items:center;gap:4px}
.badge-accent{background:var(--accent-soft);color:var(--accent-text)}
.badge-heygen{background:rgba(79,70,229,.08);color:var(--heygen)}
.badge-kling{background:rgba(2,132,199,.08);color:var(--kling)}
.badge-success{background:rgba(22,163,74,.08);color:var(--success)}

/* ─── MODAL OVERLAY ───────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:var(--modal-overlay);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.modal-box{background:var(--surface);border-radius:18px;width:100%;margin:0 16px;padding:28px;box-shadow:var(--shadow-xl);border:1px solid var(--border)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.modal-title{font-size:17px;font-weight:800;color:var(--text)}
.modal-close{background:none;border:none;cursor:pointer;font-size:18px;color:var(--text-3);padding:4px 8px;border-radius:6px}
.modal-close:hover{background:var(--surface-2);color:var(--text)}

/* ─── SECTION HEADERS ─────────────────────────────────────── */
.section-header{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.section-icon{font-size:14px}
.section-title{font-size:16px;font-weight:700;color:var(--text)}

/* ─── STEP INDICATORS ─────────────────────────────────────── */
.iter-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface);transition:all .2s}
.iter-item.running{border-color:rgba(245,158,11,.3);background:rgba(245,158,11,.04)}
.iter-item.done{border-color:rgba(22,163,74,.2);background:rgba(22,163,74,.03)}
.iter-dot{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;flex-shrink:0;transition:all .2s}
.iter-dot.pending{background:var(--surface-2);color:var(--text-3);border:1px solid var(--border)}
.iter-dot.running{background:var(--warn);color:#fff}
.iter-dot.done{background:var(--text);color:var(--surface)}

/* ─── INFO BOX VARIANTS ───────────────────────────────────── */
.info-box{display:flex;gap:8px;padding:10px 14px;border-radius:10px;font-size:12px;line-height:1.6}
.info-box.success{background:rgba(22,163,74,.04);border:1px solid rgba(22,163,74,.12);color:var(--success)}
.info-box.warn{background:rgba(217,119,6,.04);border:1px solid rgba(217,119,6,.12);color:var(--warn)}
.info-box.error{background:rgba(220,38,38,.04);border:1px solid rgba(220,38,38,.12);color:var(--danger)}
.info-box.accent{background:var(--accent-soft);border:1px solid var(--accent-glow);color:var(--accent-text)}
.info-box.heygen{background:rgba(79,70,229,.04);border:1px solid rgba(79,70,229,.12);color:var(--heygen)}
.info-box.kling{background:rgba(2,132,199,.04);border:1px solid rgba(2,132,199,.12);color:var(--kling)}

/* ─── PROMPT BOX ──────────────────────────────────────────── */
.prompt-box{background:var(--surface-2);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.prompt-box-header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;border-bottom:1px solid var(--border);background:var(--surface)}
.prompt-box-header-title{font-size:10px;font-weight:700;color:var(--text-2)}
.prompt-box-body{padding:12px 14px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-2);line-height:1.7}

/* ─── SCENE CARD ──────────────────────────────────────────── */
.scene-card{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--surface);transition:border-color .2s,box-shadow .2s}
.scene-card:hover{border-color:var(--border-h);box-shadow:var(--card-hover-shadow)}
.scene-card-header{padding:12px 16px;display:flex;align-items:center;gap:10px;background:var(--surface-2);border-bottom:1px solid var(--border);cursor:pointer}
.scene-card-num{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff;font-weight:800;flex-shrink:0}
.scene-card-body{padding:16px;display:flex;flex-direction:column;gap:14px}

/* ─── STAT GRID ───────────────────────────────────────────── */
.stat-grid{display:grid;gap:8px}
.stat-grid-4{grid-template-columns:repeat(4,1fr)}
.stat-grid-2{grid-template-columns:repeat(2,1fr)}
.stat-item{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px}
.stat-label{font-size:9px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px}
.stat-value{font-size:12px;font-weight:700;color:var(--text)}

/* ─── DARK CHARACTER BOX ──────────────────────────────────── */
.char-box{border:1.5px solid var(--border-h);border-radius:14px;overflow:hidden}
.char-box-header{padding:10px 16px;background:var(--surface-2);display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border)}
.char-box-header-title{font-size:13px;font-weight:700;color:var(--text)}
.char-box-header-sub{font-size:10px;color:var(--text-3)}
.char-box-grid{padding:14px 16px;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}

/* ─── THEME TOGGLE ────────────────────────────────────────── */
.theme-toggle{width:34px;height:20px;border-radius:100px;background:var(--border-h);border:none;cursor:pointer;position:relative;transition:.3s}
.theme-toggle::after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:var(--text);transition:.3s}
[data-theme="dark"] .theme-toggle::after{transform:translateX(14px);background:var(--accent)}

/* ─── SETTINGS MODAL override ────────────────────────────── */
[style*="background:rgba(0,0,0"]{backdrop-filter:blur(12px) !important;-webkit-backdrop-filter:blur(12px) !important}