:root {
  --bg: #06090f;
  --bg-surface: #0b111c;
  --bg-card: #0d1422;
  --bg-card-hover: #121b2d;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-accent: #1098fe;
  --accent: #1098fe;
  --accent-end: #0054d1;
  --accent-gradient: linear-gradient(135deg, #1098fe 0%, #0054d1 100%);
  --accent-glow: rgba(16, 152, 254, 0.28);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --status-green: #10b981;
  --status-red: #ef4444;
  --status-amber: #f59e0b;
  --radius: 6px;
  --radius-sm: 4px;
  --mono: ui-monospace, "SF Mono", "Fira Code", Menlo, Monaco, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--sans);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #38bdf8;
}

/* Header & Navigation */
.admin-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  text-decoration: none;
}

.brand-badge {
  background: rgba(16, 152, 254, 0.15);
  color: var(--accent);
  border: 1px solid rgba(16, 152, 254, 0.35);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.role-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.role-admin {
  background: rgba(16, 152, 254, 0.18);
  color: #38bdf8;
  border: 1px solid rgba(16, 152, 254, 0.35);
}

.role-moderator {
  background: rgba(245, 158, 11, 0.18);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  border-color: var(--border-accent);
  box-shadow: 0 2px 8px rgba(16, 152, 254, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 14px rgba(16, 152, 254, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

/* Layout */
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Login Page */
.login-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--accent-glow);
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-header p {
  color: var(--text-muted);
  font-size: 13px;
}

/* Forms */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: all 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-card-hover);
}

/* Alerts */
.alert {
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.alert-info {
  background: rgba(16, 152, 254, 0.12);
  border: 1px solid rgba(16, 152, 254, 0.35);
  color: #93c5fd;
}

/* Dashboard Cards & Grid */
.dashboard-title-area {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.15s ease;
}

.stat-card:hover {
  border-color: var(--border-accent);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  font-family: var(--mono);
}

/* Section */
.section-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 28px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: 16px;
  font-weight: 700;
}

/* Table */
.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.table th {
  padding: 10px 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
}

.table tr:hover td {
  background: var(--bg-card-hover);
}

/* Footer */
.admin-footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

/* Tabs */
.admin-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text);
}

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Forms & Grids */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form-input, .form-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent);
}

/* Drag and Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 28px 16px;
  text-align: center;
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 16px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(16, 152, 254, 0.05);
}

.drop-zone-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 8px;
}

.drop-zone-text {
  font-size: 14px;
  color: var(--text-muted);
}

/* Card Preview 560x360 */
.card-preview-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 200px;
  margin-bottom: 16px;
}

.card-preview-img {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 560 / 360;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  object-fit: cover;
  display: block;
}

/* Badges */
.badge-zone-top {
  background: rgba(16, 185, 129, 0.15);
  color: var(--status-green);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.badge-zone-bottom {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.35);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 12px;
  font-size: 13px;
  font-family: var(--mono);
}