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

:root {
  --bg-primary: #06060b;
  --bg-secondary: #0d0d14;
  --bg-surface: rgba(255,255,255,0.04);
  --bg-solid: #14141e;
  --bg-hover: rgba(255,255,255,0.07);
  --text-primary: #eeeef3;
  --text-secondary: #6b6b82;
  --text-tertiary: #44445a;
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-subtle: rgba(139,92,246,0.08);
  --gradient-accent: linear-gradient(135deg, #8b5cf6, #6366f1);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.1);
  --error: #f43f5e;
  --success: #10b981;
  --warning: #f5c518;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-glow: 0 0 40px rgba(139,92,246,0.15);
  --transition-fast: 0.15s cubic-bezier(0.4,0,0.2,1);
  --transition-base: 0.25s cubic-bezier(0.4,0,0.2,1);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

/* ─── Login ────────────────────────── */
.login-page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
}
.login-card {
  background: var(--bg-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  width: 100%; max-width: 380px;
}
.login-logo {
  text-align: center; font-size: 18px; font-weight: 700;
  color: var(--accent); margin-bottom: 4px;
}
.login-sub {
  text-align: center; font-size: 12px; color: var(--text-tertiary);
  margin-bottom: 28px;
}
.login-field { margin-bottom: 16px; }
.login-label {
  display: block; font-size: 11px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 5px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.login-input {
  width: 100%; padding: 10px 12px;
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-xs); color: var(--text-primary);
  font-size: 14px; outline: none; transition: border-color var(--transition-fast);
  font-family: inherit;
}
.login-input:focus { border-color: var(--accent); }
.login-btn {
  width: 100%; padding: 12px;
  background: var(--gradient-accent); color: #fff;
  border: none; border-radius: var(--radius-xs);
  font-size: 14px; font-weight: 600; cursor: pointer;
  font-family: inherit; transition: opacity var(--transition-fast);
}
.login-btn:hover { opacity: 0.9; }
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.login-error { color: var(--error); font-size: 12px; text-align: center; margin-top: 12px; min-height: 18px; }

/* ─── Shell ────────────────────────── */
.app-shell {
  display: flex; min-height: 100vh;
}
.sidebar {
  width: 220px; background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 20px 0; flex-shrink: 0;
}
.sidebar-logo {
  font-size: 15px; font-weight: 700; color: var(--accent);
  padding: 0 20px 20px; border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; padding: 8px; }
.sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius-xs);
  color: var(--text-secondary); font-size: 0.82rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition-fast);
  border: none; background: none; width: 100%; text-align: left;
  font-family: inherit;
}
.sidebar-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-item.active { background: var(--accent-subtle); color: var(--accent); }
.sidebar-item svg { flex-shrink: 0; }
.sidebar-bottom {
  padding: 8px; border-top: 1px solid var(--border); margin-top: auto;
}

.main-content {
  flex: 1; overflow-y: auto; padding: 28px 32px;
}

/* ─── Page Header ──────────────────── */
.page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
}
.page-title { font-size: 1.3rem; font-weight: 700; }
.page-desc { font-size: 0.8rem; color: var(--text-tertiary); margin-top: 2px; }

/* ─── Stats Cards ──────────────────── */
.stats-row {
  display: flex; gap: 14px; margin-bottom: 24px; flex-wrap: wrap;
}
.stat-card {
  flex: 1; min-width: 140px;
  background: var(--bg-solid); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 20px;
}
.stat-label {
  font-size: 0.68rem; font-weight: 500; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.stat-value {
  font-size: 1.5rem; font-weight: 700; color: var(--text-primary); margin-top: 4px;
}
.stat-value.text-success { color: var(--success); }
.stat-value.text-warning { color: var(--warning); }
.stat-value.text-error { color: var(--error); }

/* ─── Table ────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th {
  text-align: left; padding: 10px 14px;
  color: var(--text-tertiary); font-weight: 600;
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
}
.data-table td {
  padding: 12px 14px; color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}
.data-table tr:hover td { background: var(--bg-hover); }

.badge {
  display: inline-block; padding: 3px 8px;
  border-radius: 4px; font-size: 0.68rem; font-weight: 600;
}
.badge-active { background: rgba(16,185,129,0.15); color: #34d399; }
.badge-inactive { background: rgba(244,63,94,0.15); color: #fb7185; }
.badge-standard { background: rgba(75,85,99,0.15); color: #9ca3af; }
.badge-pro { background: rgba(139,92,246,0.15); color: #a78bfa; }
.badge-enterprise { background: rgba(245,158,11,0.15); color: #fbbf24; }

.btn-sm {
  padding: 5px 10px; border: 1px solid var(--border);
  border-radius: 4px; background: transparent;
  color: var(--text-secondary); font-size: 0.72rem;
  cursor: pointer; font-family: inherit;
  transition: all var(--transition-fast);
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger:hover { border-color: var(--error); color: var(--error); }

.btn-primary {
  padding: 10px 20px; border: none;
  border-radius: var(--radius-xs);
  background: var(--gradient-accent); color: #fff;
  font-size: 0.82rem; font-weight: 600;
  cursor: pointer; font-family: inherit;
  transition: opacity var(--transition-fast);
}
.btn-primary:hover { opacity: 0.9; }

/* ─── Modal ────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
}
.modal-card {
  background: var(--bg-solid); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto;
}
.modal-title {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 20px;
}
.form-field { margin-bottom: 14px; }
.form-field label {
  display: block; font-size: 0.72rem; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 5px;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 9px 12px;
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-xs); color: var(--text-primary);
  font-size: 0.82rem; font-family: inherit; outline: none;
  transition: border-color var(--transition-fast);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 60px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-field { flex: 1; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }
.form-error { color: var(--error); font-size: 0.75rem; text-align: center; margin-top: 10px; }

.btn-cancel {
  padding: 9px 16px; background: transparent;
  border: 1px solid var(--border); border-radius: var(--radius-xs);
  color: var(--text-secondary); cursor: pointer; font-size: 0.82rem;
  font-family: inherit;
}

/* ─── License Detail ───────────────── */
.detail-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-bottom: 20px;
}
.detail-item label {
  font-size: 0.68rem; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.3px;
}
.detail-item .val {
  font-size: 0.88rem; font-weight: 500; margin-top: 2px;
  word-break: break-all;
}
.license-key-display {
  font-family: 'SF Mono', monospace;
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-xs); padding: 10px 14px;
  font-size: 0.9rem; font-weight: 600; letter-spacing: 1px;
  color: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.copy-btn {
  background: none; border: none; color: var(--text-secondary);
  cursor: pointer; padding: 4px; transition: color var(--transition-fast);
}
.copy-btn:hover { color: var(--accent); }

.section-title {
  font-size: 0.82rem; font-weight: 600; margin: 20px 0 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}

/* ─── Empty ────────────────────────── */
.empty-state {
  text-align: center; padding: 48px 16px;
  color: var(--text-tertiary); font-size: 0.88rem;
}

/* ─── Responsive ───────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 56px; padding: 12px 0; }
  .sidebar-logo { font-size: 0; padding: 0 0 12px; text-align: center; }
  .sidebar-logo::after { content: 'L'; font-size: 16px; color: var(--accent); font-weight: 700; }
  .sidebar-item span { display: none; }
  .sidebar-item { justify-content: center; padding: 10px; }
  .main-content { padding: 16px; }
  .stats-row { flex-direction: column; }
  .detail-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; gap: 0; }
}