:root,
[data-theme="light"] {
  --color-bg: #f8f9fc;
  --color-bg-mesh: radial-gradient(ellipse 70% 45% at 15% -5%, rgba(94, 92, 230, 0.07), transparent),
                   radial-gradient(ellipse 50% 35% at 92% 8%, rgba(124, 110, 216, 0.05), transparent);
  --color-surface: rgba(255, 255, 255, 0.92);
  --color-surface-solid: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-border: rgba(15, 23, 42, 0.08);
  --color-border-strong: rgba(15, 23, 42, 0.14);
  --color-text: #111827;
  --color-text-secondary: #4b5563;
  --color-text-muted: #9ca3af;
  --color-text-inverse: #ffffff;
  --color-accent-1: #5e5ce6;
  --gradient-accent: linear-gradient(160deg, #5e5ce6 0%, #7c6ee4 100%);
  --gradient-accent-hover: linear-gradient(160deg, #5452d4 0%, #6e62d8 100%);
  --color-accent-muted: rgba(94, 92, 230, 0.08);
  --color-success: #059669;
  --color-success-bg: rgba(5, 150, 105, 0.1);
  --color-warning: #d97706;
  --color-warning-bg: rgba(217, 119, 6, 0.1);
  --color-error: #dc2626;
  --color-error-bg: rgba(220, 38, 38, 0.08);
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.04);
  --shadow-md: 0 4px 20px rgba(17, 24, 39, 0.06);
  --shadow-lg: 0 12px 40px rgba(17, 24, 39, 0.08);
}

[data-theme="dark"] {
  --color-bg: #0c0c10;
  --color-bg-mesh: radial-gradient(ellipse 60% 40% at 12% 0%, rgba(94, 92, 230, 0.12), transparent),
                   radial-gradient(ellipse 45% 35% at 88% 15%, rgba(124, 110, 216, 0.06), transparent);
  --color-surface: rgba(22, 22, 28, 0.88);
  --color-surface-solid: #16161c;
  --color-surface-elevated: #1e1e26;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.12);
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-inverse: #0f172a;
  --color-accent-muted: rgba(124, 120, 232, 0.14);
  --color-success-bg: rgba(5, 150, 105, 0.12);
  --color-warning-bg: rgba(217, 119, 6, 0.15);
  --color-error-bg: rgba(220, 38, 38, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
}

:root {
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --transition: 0.15s ease;
  --sidebar-w: 240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  background-image: var(--color-bg-mesh);
  min-height: 100vh;
}
a { color: var(--color-accent-1); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--color-surface-solid);
  border-right: 1px solid var(--color-border);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.5rem 0.75rem 1rem;
  color: var(--color-text);
}
.brand span { color: var(--color-accent-1); }
.nav-link {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.925rem;
}
.nav-link:hover, .nav-link.active {
  background: var(--color-accent-muted);
  color: var(--color-accent-1);
  text-decoration: none;
}
.sidebar-foot { margin-top: auto; padding: 0.75rem; font-size: 0.8rem; color: var(--color-text-muted); }
.main { flex: 1; padding: 1.75rem 2rem; max-width: 1200px; }
.page-title { margin: 0 0 0.35rem; font-size: 1.6rem; font-weight: 700; }
.page-sub { margin: 0 0 1.5rem; color: var(--color-text-secondary); font-size: 0.95rem; }

.card {
  background: var(--color-surface-solid);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1rem;
}
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat-value { font-size: 1.75rem; font-weight: 700; }
.stat-label { color: var(--color-text-muted); font-size: 0.85rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: none; border-radius: var(--radius-md);
  padding: 0.55rem 1rem; font-weight: 600; font-size: 0.9rem;
  font-family: inherit; cursor: pointer; transition: var(--transition);
}
.btn-primary {
  background: var(--gradient-accent); color: #fff;
  box-shadow: 0 4px 14px rgba(94, 92, 230, 0.22);
}
.btn-primary:hover { background: var(--gradient-accent-hover); }
.btn-secondary {
  background: var(--color-accent-muted); color: var(--color-accent-1);
}
.btn-ghost { background: transparent; color: var(--color-text-secondary); border: 1px solid var(--color-border); }

.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.875rem; margin-bottom: 0.35rem; }
.form-control, input[type=text], input[type=password], input[type=number], input[type=email], textarea, select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-solid);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.925rem;
}
textarea { min-height: 120px; resize: vertical; }
.help { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.25rem; }

.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { text-align: left; padding: 0.7rem 0.6rem; border-bottom: 1px solid var(--color-border); }
.table th { color: var(--color-text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }

.badge {
  display: inline-block; padding: 0.2rem 0.55rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600;
}
.badge-pending { background: var(--color-accent-muted); color: var(--color-accent-1); }
.badge-running { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-done, .badge-completed { background: var(--color-success-bg); color: var(--color-success); }
.badge-failed, .badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-cancelled { background: var(--color-accent-muted); color: var(--color-text-muted); }

.flash { padding: 0.75rem 1rem; border-radius: var(--radius-md); margin-bottom: 1rem; font-size: 0.9rem; }
.flash-success { background: var(--color-success-bg); color: var(--color-success); }
.flash-error { background: var(--color-error-bg); color: var(--color-error); }
.flash-warning { background: var(--color-warning-bg); color: var(--color-warning); }

.steps { display: flex; flex-direction: column; gap: 0.5rem; }
.step {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem 1rem; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface);
}
.step-name { font-weight: 600; min-width: 140px; }
.step-msg { color: var(--color-text-secondary); font-size: 0.875rem; flex: 1; }

.tabs { display: flex; gap: 0.35rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tab {
  padding: 0.45rem 0.9rem; border-radius: var(--radius-md);
  color: var(--color-text-secondary); font-weight: 600; font-size: 0.875rem;
  border: 1px solid transparent;
}
.tab.active { background: var(--color-accent-muted); color: var(--color-accent-1); }
.pre {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 1rem; overflow: auto;
  font-size: 0.8rem; max-height: 420px; white-space: pre-wrap;
}
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; }
.gallery img { width: 100%; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.shorts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.short-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: #000;
  border: 1px solid var(--color-border);
}
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 2rem;
}
.login-card { width: 100%; max-width: 400px; }
.theme-toggle {
  border: 1px solid var(--color-border); background: transparent;
  color: var(--color-text-secondary); border-radius: var(--radius-md);
  padding: 0.35rem 0.65rem; cursor: pointer; font-family: inherit; font-size: 0.8rem;
}
.presets { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.35rem 0 0.75rem; }
.chip {
  font-size: 0.75rem; padding: 0.25rem 0.55rem; border-radius: 999px;
  background: var(--color-accent-muted); color: var(--color-accent-1); cursor: pointer; border: none;
  font-family: inherit;
}
@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .main { padding: 1rem; }
}