:root {
  color-scheme: light;
  --bg:#F8FAFC;
  --bg-secondary:#F1F5F9;
  --sidebar:#FFFFFF;
  --navbar:#FFFFFF;
  --card:#FFFFFF;
  --primary:#3BB6F6;
  --secondary:#6FD3FF;
  --accent:#4CCEFF;
  --gradient-start:#7ED9FF;
  --gradient-end:#2EA8F8;
  --text:#0F172A;
  --text-secondary:#64748B;
  --text-muted:#94A3B8;
  --border:#E2E8F0;
  --divider:#EDF2F7;
  --success:#22C55E;
  --warning:#F59E0B;
  --danger:#EF4444;
  --info:#38BDF8;
  --shadow:0 8px 30px rgba(15,23,42,.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg:#07111F;
  --bg-secondary:#0E1A2A;
  --sidebar:#0B1625;
  --navbar:#0B1625;
  --card:#101D2D;
  --text:#F8FAFC;
  --text-secondary:#CBD5E1;
  --text-muted:#94A3B8;
  --border:#233247;
  --divider:#1E293B;
  --shadow:0 14px 34px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html, body, #app { min-height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; border: 0; }
a { color: inherit; text-decoration: none; }

.app-loading, .auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #fff; }
.auth-card { width: min(420px, 100%); background: var(--card); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); padding: 28px; }
.auth-logo { display: block; width: 190px; max-width: 78%; margin: 0 auto 22px; object-fit: contain; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 4px; border-radius: 12px; background: var(--bg-secondary); margin-bottom: 18px; }
.auth-tabs button, .seg button { border-radius: 10px; padding: 10px 12px; background: transparent; color: var(--text-secondary); font-weight: 800; }
.auth-tabs button.active, .seg button.active { background: var(--card); color: var(--primary); box-shadow: 0 2px 10px rgba(15,23,42,.06); }
.field { display: grid; gap: 7px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--text-secondary); font-weight: 800; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 44px; border: 1px solid var(--border); border-radius: 12px; padding: 11px 12px;
  background: var(--card); color: var(--text); outline: none;
}
.field textarea { min-height: 110px; resize: vertical; }
.grid-2 { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.full { grid-column: 1 / -1; }
.muted { color: var(--text-secondary); }
.small { font-size: 12px; color: var(--text-muted); }
.primary, .ghost, .icon-btn, .danger {
  min-height: 42px; border-radius: 12px; padding: 0 14px; font-weight: 900; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.primary { color: white; background: linear-gradient(135deg, var(--gradient-start), var(--primary) 50%, var(--gradient-end)); box-shadow: 0 10px 22px rgba(59,182,246,.24); }
.primary:hover { background: #1E9AE8; }
.ghost, .icon-btn { background: var(--bg-secondary); color: var(--text); border: 1px solid var(--border); }
.danger { background: #FEE2E2; color: #B91C1C; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.between { justify-content: space-between; }

.layout { min-height: 100vh; display: grid; grid-template-columns: 260px minmax(0,1fr); }
.layout.collapsed { grid-template-columns: 84px minmax(0,1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; background: var(--sidebar); border-right: 1px solid var(--border); padding: 18px 14px; display: flex; flex-direction: column; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; min-height: 48px; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.brand strong { font-size: 18px; }
.layout.collapsed .brand span, .layout.collapsed .nav span, .layout.collapsed .side-foot { display: none; }
.nav { display: grid; gap: 7px; }
.nav button { display: flex; align-items: center; gap: 10px; min-height: 42px; border-radius: 12px; padding: 0 12px; color: var(--text-secondary); background: transparent; font-weight: 850; }
.nav button.active, .nav button:hover { color: var(--primary); background: var(--hover, #F0F9FF); }
.nav svg, .icon { width: 20px; height: 20px; flex: 0 0 20px; color: var(--primary); }
.side-foot { margin-top: auto; padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: var(--bg-secondary); }
.main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; min-height: 68px; background: color-mix(in srgb, var(--navbar) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 22px; }
.content { padding: 22px; max-width: 1320px; margin: 0 auto; }
.page-title h1 { margin: 0; font-size: 24px; letter-spacing: 0; }
.page-title p { margin: 4px 0 0; color: var(--text-secondary); }
.cards { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; margin: 16px 0; }
.card, .panel { background: var(--card); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.card { padding: 18px; }
.card strong { display:block; font-size: 26px; margin-top: 8px; }
.panel { padding: 18px; margin-bottom: 16px; }
.panel h2 { margin: 0 0 14px; font-size: 18px; }
.table { display: grid; gap: 8px; }
.table-row { display: grid; grid-template-columns: minmax(170px,1.3fr) 1fr 120px auto; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--card); }
.status { display: inline-flex; width: fit-content; border-radius: 999px; padding: 6px 10px; font-size: 12px; font-weight: 900; background: var(--active-menu, #E0F2FE); color: #0369A1; }
.status.approved, .status.live, .status.delivered { background:#DCFCE7; color:#166534; }
.status.rejected { background:#FEE2E2; color:#991B1B; }
.status.submitted, .status.under-review, .status.in-review { background:#FEF3C7; color:#92400E; }

.plans { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.plan { padding: 16px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); display: grid; gap: 10px; }
.plan h3 { margin: 0; }
.price { font-size: 26px; font-weight: 950; }
.features { display: grid; gap: 7px; color: var(--text-secondary); font-size: 14px; }
.features span::before { content: "✓"; color: var(--success); font-weight: 900; margin-right: 7px; }
.release-form { display: grid; gap: 16px; }
.section { border: 1px solid var(--border); border-radius: 16px; background: var(--card); padding: 18px; }
.section h2 { font-size: 17px; margin: 0 0 16px; display:flex; gap:8px; align-items:center; }
.upload-box { border: 1px dashed var(--primary); border-radius: 14px; min-height: 130px; display: grid; place-items: center; text-align: center; padding: 14px; background: #F0F9FF; color: var(--text-secondary); }
.upload-box input { margin-top: 10px; }
.checks { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; }
.checks label { display:flex; align-items:center; gap:8px; border:1px solid var(--border); border-radius: 12px; padding: 10px; background: var(--bg-secondary); }
.modal { position: fixed; inset: 0; z-index: 80; background: rgba(15,23,42,.45); display: grid; place-items: center; padding: 18px; }
.modal.hidden { display: none; }
.modal-card { width: min(980px, 100%); max-height: 90vh; overflow: auto; background: var(--card); border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 28px 80px rgba(15,23,42,.25); padding: 18px; }
.toast { position: fixed; right: 18px; bottom: 18px; transform: translateY(120px); transition: .2s; background: var(--text); color: var(--bg); border-radius: 12px; padding: 12px 14px; z-index: 100; }
.toast.show { transform: translateY(0); }
.mobile-nav { display: none; }

@media (max-width: 920px) {
  .layout, .layout.collapsed { grid-template-columns: 1fr; padding-bottom: 78px; }
  .sidebar { display: none; }
  .content { padding: 14px; }
  .topbar { padding: 0 14px; }
  .grid-2, .grid-3, .cards, .plans, .checks { grid-template-columns: 1fr; }
  .table-row { grid-template-columns: 1fr; }
  .mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 70; display: grid; grid-template-columns: repeat(5,1fr); gap: 4px; background: var(--navbar); border-top: 1px solid var(--border); padding: 8px 10px max(8px, env(safe-area-inset-bottom)); }
  .mobile-nav button { min-height: 50px; border-radius: 14px; background: transparent; color: var(--text-secondary); display: grid; place-items: center; }
  .mobile-nav button.active { color: white; background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end)); }
  .mobile-nav button.create { transform: translateY(-12px); min-height: 58px; border-radius: 18px; box-shadow: 0 14px 28px rgba(59,182,246,.28); }
}