/* ═══════════════════════════════════════════════════
   Orbitex Mail Design System — Dark Purple/Violet
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text-primary: #f0f0f0;
  --text-secondary: #999;
  --text-muted: #555;
  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --accent-dark: #5b21b6;
  --accent-glow: rgba(124,58,237,0.15);
  --gradient: linear-gradient(135deg, #7c3aed, #5b21b6);
  --gradient-soft: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(91,33,182,0.08));
  --gradient-shine: linear-gradient(135deg, #7c3aed, #6d28d9, #8b5cf6);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.5);
  --shadow-accent: 0 4px 20px rgba(124,58,237,0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 260px;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ─── Layout ─────────────────────────── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px;
  min-height: 100vh;
}

/* ─── Logo ─────────────────────────── */
.logo {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.logo h1 {
  font-size: 22px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo h1 .icon { -webkit-text-fill-color: #7c3aed; font-size: 24px; }
.logo p { font-size: 11px; color: var(--text-muted); margin-top: 4px; letter-spacing: 1px; text-transform: uppercase; }

/* ─── Navigation ─────────────────────────── */
.nav { flex: 1; padding: 8px 12px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 4px;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border);
}

.nav-item.active {
  background: var(--accent-glow);
  color: var(--accent-light);
  border-color: rgba(124,58,237,0.2);
}

.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }
.nav-item .badge {
  margin-left: auto;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 22px;
  text-align: center;
}

.nav-section {
  padding: 16px 16px 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

/* ─── Page Header ─────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.page-header h2 {
  font-size: 28px;
  font-weight: 700;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ─── Buttons ─────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }

.btn-danger {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-icon { padding: 8px; width: 36px; height: 36px; justify-content: center; }

/* ─── Cards ─────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-header h3 { font-size: 16px; font-weight: 600; }

/* ─── Stat Cards ─────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-card:hover::before { opacity: 1; }

.stat-card .stat-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.stat-card .stat-icon.purple { background: rgba(124,58,237,0.12); color: var(--accent-light); }
.stat-card .stat-icon.green { background: rgba(34,197,94,0.12); color: var(--success); }
.stat-card .stat-icon.blue { background: rgba(59,130,246,0.12); color: var(--info); }
.stat-card .stat-icon.yellow { background: rgba(245,158,11,0.12); color: var(--warning); }

.stat-card .stat-value {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 4px;
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ─── Tables ─────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

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

th {
  text-align: left;
  padding: 14px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

tr:hover td { background: var(--bg-card); color: var(--text-primary); }
tr:last-child td { border-bottom: none; }

/* ─── Forms / Inputs ─────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder { color: var(--text-muted); }

textarea.form-input { min-height: 100px; resize: vertical; }

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ─── Toggle Switch ─────────────────────────── */
.toggle { display: flex; align-items: center; gap: 12px; cursor: pointer; }

.toggle input { display: none; }

.toggle-track {
  width: 44px; height: 24px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  position: relative;
  transition: var(--transition);
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}

.toggle input:checked + .toggle-track { background: var(--accent); }
.toggle input:checked + .toggle-track::after { transform: translateX(20px); }
.toggle-label { font-size: 14px; color: var(--text-secondary); }

/* ─── Modal ─────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 90%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-header h3 { font-size: 20px; font-weight: 700; }

.modal-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: rgba(239,68,68,0.3); }

/* ─── Code Block ─────────────────────────── */
.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  overflow-x: auto;
}

.code-block pre {
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
}

.code-block .copy-btn {
  position: absolute;
  top: 8px; right: 8px;
  padding: 4px 12px;
  font-size: 11px;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.code-block .copy-btn:hover { color: var(--accent-light); border-color: var(--accent); }

/* ─── Toast ─────────────────────────── */
.toast-container {
  position: fixed;
  top: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  padding: 14px 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.4s ease;
  box-shadow: var(--shadow);
  min-width: 300px;
}

.toast.success { border-color: rgba(34,197,94,0.3); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-color: rgba(239,68,68,0.3); }
.toast.error .toast-icon { color: var(--danger); }

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

/* ─── Badge / Tag ─────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
}

.tag-purple { background: rgba(124,58,237,0.12); color: var(--accent-light); }
.tag-green { background: rgba(34,197,94,0.12); color: var(--success); }
.tag-blue { background: rgba(59,130,246,0.12); color: var(--info); }
.tag-yellow { background: rgba(245,158,11,0.12); color: var(--warning); }
.tag-red { background: rgba(239,68,68,0.12); color: var(--danger); }

/* ─── Empty State ─────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; margin-bottom: 24px; }

/* ─── API Key Display ─────────────────────────── */
.api-key-display {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
}

.api-key-display code {
  flex: 1;
  font-family: 'Consolas', monospace;
  font-size: 13px;
  color: var(--accent-light);
  word-break: break-all;
}

/* ─── Submission Detail ─────────────────────────── */
.submission-fields { display: grid; gap: 12px; }

.submission-field {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  padding: 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
}

.submission-field .field-key {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: capitalize;
}

.submission-field .field-value {
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-word;
}

/* ─── Charts ─────────────────────────── */
.chart-container {
  position: relative;
  height: 280px;
  padding: 16px;
}

/* ─── Responsive ─────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .submission-field { grid-template-columns: 1fr; }
}

/* ─── Grid layouts ─────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ─── Search / Filter bar ─────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 16px 10px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: var(--transition);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ─── Pagination ─────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination button {
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.pagination button:hover { border-color: var(--accent); color: var(--accent-light); }
.pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }
.pagination .page-info { font-size: 13px; color: var(--text-muted); }

/* ─── Loading ─────────────────────────── */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  gap: 12px;
  color: var(--text-muted);
}

/* ─── Dot indicator ─────────────────────────── */
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-green { background: var(--success); }
.dot-red { background: var(--danger); }
.dot-yellow { background: var(--warning); }