/* ── FxMath License Manager — Styles ── */

:root {
  --primary: #0d1117;
  --secondary: #161b22;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --border: #30363d;
  --card-bg: #161b22;
  --input-bg: #0d1117;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--primary);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Login Screen ── */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.login-card .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

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

/* ── Dashboard Layout ── */
.dashboard {
  display: none;
}

.dashboard.visible {
  display: block;
}

header {
  background: var(--secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

header h1 {
  font-size: 1.2rem;
  color: var(--accent);
}

header .user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

header .user-info span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn:hover {
  background: #21262d;
  border-color: var(--text-muted);
}

.btn-primary {
  background: #238636;
  border-color: #2ea043;
  color: white;
}

.btn-primary:hover {
  background: #2ea043;
}

.btn-danger {
  background: #da3633;
  border-color: #f85149;
  color: white;
}

.btn-danger:hover {
  background: #f85149;
}

.btn-warning {
  background: #9e6a03;
  border-color: #d29922;
  color: white;
}

.btn-warning:hover {
  background: #bb8009;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Main Content ── */
main {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

/* ── Stats Grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card.green .stat-value { color: var(--success); }
.stat-card.yellow .stat-value { color: var(--warning); }
.stat-card.red .stat-value { color: var(--danger); }

/* ── Table ── */
.table-container {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.table-header {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}

.table-header h2 {
  font-size: 1rem;
}

.table-header .actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.table-header input,
.table-header select {
  padding: 8px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.85rem;
  outline: none;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px 16px;
  text-align: left;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--secondary);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

tr:hover {
  background: rgba(88, 166, 255, 0.05);
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.status-badge.active { background: rgba(63, 185, 80, 0.15); color: var(--success); }
.status-badge.suspended { background: rgba(210, 153, 34, 0.15); color: var(--warning); }
.status-badge.expired { background: rgba(139, 148, 158, 0.15); color: var(--text-muted); }
.status-badge.revoked { background: rgba(248, 81, 73, 0.15); color: var(--danger); }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.visible {
  display: flex;
}

.modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.modal .form-group:last-child {
  margin-bottom: 0;
}

.modal .modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  margin-top: 8px;
  font-size: 0.9rem;
  animation: slideIn 0.3s ease;
}

.toast.success { background: #238636; border: 1px solid #2ea043; }
.toast.error { background: #da3633; border: 1px solid #f85149; }
.toast.warning { background: #9e6a03; border: 1px solid #d29922; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ── Logs ── */
.logs-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
}

.logs-section h2 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.log-entry {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
}

.log-entry:last-child {
  border-bottom: none;
}

.log-entry .log-time {
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 140px;
  font-family: monospace;
  font-size: 0.78rem;
}

.log-entry .log-action {
  color: var(--accent);
  font-weight: 500;
  min-width: 150px;
}

.log-entry .log-details {
  flex: 1;
}

/* ── Login error ── */
.error-message {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 12px;
  display: none;
}

.error-message.visible {
  display: block;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  header {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .table-header .actions {
    flex-direction: column;
  }
  
  .table-header input,
  .table-header select {
    width: 100%;
  }

  .log-entry {
    flex-direction: column;
    gap: 4px;
  }
  
  .log-entry .log-time {
    min-width: auto;
  }
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: 16px;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
}

.pagination .page-info {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Code display ── */
.code-display {
  font-family: monospace;
  font-size: 0.8rem;
  background: var(--input-bg);
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  word-break: break-all;
  margin: 8px 0;
  color: var(--accent);
}

.copy-btn {
  cursor: pointer;
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 4px;
  font-size: 0.85rem;
}

.copy-btn:hover {
  color: var(--accent);
}