@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #0c0f14;
  --bg2: #141820;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-hover: rgba(255, 255, 255, 0.10);
  --border: rgba(255, 255, 255, 0.10);
  --text: #f0ede8;
  --text-soft: rgba(240, 237, 232, 0.6);
  --accent: #f59e0b;
  --accent2: #ef4444;
  --success: #22c55e;
  --error: #ef4444;
  --info: #3b82f6;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(245, 158, 11, 0.15), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(59, 130, 246, 0.10), transparent 25%),
    radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.08), transparent 30%),
    linear-gradient(160deg, var(--bg), var(--bg2) 42%, #0a0d12);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.8; }

/* ─── Layout ─── */

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 60px;
}

/* ─── Hero ─── */

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 24px;
  align-items: center;
  padding: 36px 40px;
  background: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 28px;
}

.hero .eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  background: linear-gradient(135deg, #fff 30%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  margin-top: 14px;
  color: var(--text-soft);
  max-width: 50ch;
  line-height: 1.7;
}

.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.hero-tags span {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
}

.hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}

.badge-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.badge-card {
  padding: 14px 30px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(245,158,11,0.05));
  border: 1px solid rgba(245,158,11,0.2);
  box-shadow: 0 4px 20px rgba(245,158,11,0.1);
}

.badge-card.alt {
  background: linear-gradient(135deg, rgba(59,130,246,0.2), rgba(59,130,246,0.05));
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 4px 20px rgba(59,130,246,0.1);
}

.badge-card.thin {
  background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(139,92,246,0.05));
  border-color: rgba(139,92,246,0.2);
  box-shadow: 0 4px 20px rgba(139,92,246,0.1);
}

/* ─── Cards ─── */

.card-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(12px);
}

.panel h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}

/* ─── Forms ─── */

.stack-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.stack-form label span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
}

.stack-form input, .stack-form select, .stack-form textarea {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(20, 24, 32, 0.95);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.stack-form select option {
  background: #1a1f2b;
  color: var(--text);
  padding: 8px;
}

.stack-form input:focus, .stack-form select:focus, .stack-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}

.stack-form textarea { resize: vertical; min-height: 80px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

/* ─── Buttons ─── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #d97706);
  color: #000;
  box-shadow: 0 4px 20px rgba(245,158,11,0.25);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(245,158,11,0.4);
  transform: translateY(-1px);
}

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: var(--accent2);
  border: 1px solid rgba(239,68,68,0.2);
}

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

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
}

/* ─── Flash Messages ─── */

.flash {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
  border: 1px solid;
  animation: flashIn 0.3s ease-out;
}

@keyframes flashIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.flash-success {
  background: rgba(34,197,94,0.12);
  border-color: rgba(34,197,94,0.3);
  color: #86efac;
}

.flash-error {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.3);
  color: #fca5a5;
}

.flash-info {
  background: rgba(59,130,246,0.12);
  border-color: rgba(59,130,246,0.3);
  color: #93c5fd;
}

/* ─── Table ─── */

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.03);
}

.code-cell {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* ─── Badges ─── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.badge-unused {
  background: rgba(34,197,94,0.15);
  color: #86efac;
}

.badge-used {
  background: rgba(148,163,184,0.15);
  color: #94a3b8;
}

.badge-success {
  background: rgba(34,197,94,0.15);
  color: #86efac;
}

.badge-fail {
  background: rgba(239,68,68,0.15);
  color: #fca5a5;
}

.badge-plan {
  background: rgba(139,92,246,0.15);
  color: #c4b5fd;
}

.badge-quota {
  background: rgba(245,158,11,0.15);
  color: #fcd34d;
}

.badge-group {
  background: rgba(59,130,246,0.15);
  color: #93c5fd;
}

/* ─── Admin Nav ─── */

.admin-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.admin-nav a {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  transition: all 0.2s;
}

.admin-nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  opacity: 1;
}

.admin-nav a.active {
  color: #000;
  background: var(--accent);
  font-weight: 600;
}

.admin-nav .spacer { flex: 1; }

.admin-nav .logout {
  color: var(--text-soft);
  font-size: 13px;
}

/* ─── Login ─── */

.login-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-panel {
  width: min(420px, calc(100% - 32px));
  padding: 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.login-panel .eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--text-soft);
  margin-bottom: 6px;
}

.login-panel h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}

.login-panel .hero-text {
  margin-bottom: 28px;
}

/* ─── List ─── */

.plain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plain-list li {
  padding-left: 18px;
  position: relative;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.6;
}

.plain-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ─── Filter Bar ─── */

.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-bar select, .filter-bar input {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(20, 24, 32, 0.95);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
}

.filter-bar select option {
  background: #1a1f2b;
  color: var(--text);
}

.filter-bar .btn { padding: 8px 18px; }

/* ─── Misc ─── */

.text-soft { color: var(--text-soft); }
.text-accent { color: var(--accent); }
.mt-4 { margin-top: 16px; }
.mt-2 { margin-top: 8px; }
.mb-4 { margin-bottom: 16px; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-soft);
  font-size: 14px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.stat-row {
  display: flex;
  gap: 6px;
  font-size: 12px;
  margin-top: 6px;
}

/* ─── Responsive ─── */

@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .admin-nav { flex-wrap: wrap; }
  .data-table { font-size: 12px; }
  .data-table th, .data-table td { padding: 8px 10px; }
}