/*
 * Global design system and dark theme for Jum Studio (Sprint P2).
 * This stylesheet defines CSS variables for colours, spacing and radii,
 * and provides reusable components such as buttons, badges, cards and
 * tables. The shell layout (sidebar + topbar) introduced in Sprint P1
 * is preserved and updated to rely on these variables. See the P2
 * specification for details【714680239042713†L29-L63】.
 */

:root {
  /* Colour palette */
  --bg-body: #050712;
  --bg-elevated: #111827;
  --bg-elevated-soft: #020617;
  --border-subtle: #1e293b;
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.14);
  --accent-strong: #6366f1;
  --danger: #ef4444;
  --danger-soft: rgba(248, 113, 113, 0.18);
  --success: #22c55e;
  --success-soft: rgba(34, 197, 94, 0.16);
  --text-main: #e5e7eb;
  --text-dim: #9ca3af;
  /* Radii */
  --radius-lg: 16px;
  --radius-pill: 999px;
}

/* Base styles */
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Inter, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
}

/* Shell layout */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-body);
  border-right: 1px solid var(--border-subtle);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-logo {
  font-weight: 700;
  font-size: 18px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-pill);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
}

.nav-item:hover {
  background: var(--bg-elevated-soft);
  color: var(--text-main);
}

.nav-item-active {
  background: var(--accent);
  color: #ffffff;
}

.nav-ico {
  width: 20px;
  text-align: center;
}

.main {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-title {
  margin: 0;
  font-size: 20px;
}

.topbar-env {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--success-soft);
  color: var(--success);
}

.main-content {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Cards */
.card {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

.card-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  padding: 8px 14px;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  background: transparent;
  color: var(--text-main);
  transition: background 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-ghost {
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  background: var(--bg-elevated-soft);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

/* Badges */
.badge {
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  font-size: 11px;
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-failed {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-paused {
  background: rgba(234, 179, 8, 0.16);
  color: #eab308;
}

.badge-running {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* Budget chips */
.chip-budget-warning {
  background: rgba(234, 179, 8, 0.16);
  color: #eab308;
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  font-size: 11px;
}
.chip-budget-over {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: var(--radius-pill);
  padding: 3px 8px;
  font-size: 11px;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table thead {
  background: var(--bg-elevated-soft);
}

.table th,
.table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--bg-elevated);
  text-align: left;
}

.table tbody tr:hover {
  background: var(--bg-elevated-soft);
}

/* Inputs */
.input {
  background: var(--bg-elevated-soft);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 6px 8px;
  color: var(--text-main);
  font-size: 14px;
  width: 100%;
  box-sizing: border-box;
}
.input.small {
  font-size: 13px;
  padding: 4px 6px;
}

/* Skeleton loader */
.skel {
  background: linear-gradient(90deg, #1f2937, #111827, #1f2937);
  background-size: 200% 100%;
  animation: skel 1.2s infinite ease-in-out;
  border-radius: 8px;
  height: 1em;
}

@keyframes skel {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Responsive */
@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
}

/* Toasts */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
}

.toast {
  padding: 8px 12px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  font-size: 13px;
  min-width: 200px;
}

.toast-success {
  background: var(--success-soft);
  border-color: var(--success);
  color: var(--success);
}

.toast-error {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: var(--danger);
}

.toast-info {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* --- SEO page specific styles --- */
.grid-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid .form-group {
  display: flex;
  flex-direction: column;
}
.form-grid .form-group.full-width {
  grid-column: span 2;
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-top: 20px;
}
.panel.hidden {
  display: none;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.tab-btn {
  padding: 6px 12px;
  border: none;
  border-radius: var(--radius);
  background: var(--bg-subtle);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}
.tab-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.tab-content.hidden {
  display: none;
}

/* Status badges for SEO */
.badge-draft {
  background: var(--border-subtle);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: var(--radius);
  font-size: 12px;
}
.badge-active {
  background: var(--success-soft);
  color: var(--success);
  padding: 2px 6px;
  border-radius: var(--radius);
  font-size: 12px;
}
.badge-paused {
  background: var(--warning-soft, rgba(250, 204, 21, 0.1));
  color: var(--warning, #eab308);
  padding: 2px 6px;
  border-radius: var(--radius);
  font-size: 12px;
}