/* ============================================
   SUPPORT DESK — Professional Ticketing UI
   ============================================ */

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #161822;
  --bg-card: #1c1f2e;
  --bg-card-hover: #232738;
  --bg-input: #1c1f2e;
  --bg-sidebar: #0c0e15;

  --text-primary: #e8eaf0;
  --text-secondary: #8b90a0;
  --text-muted: #565b6e;

  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-muted: rgba(99, 102, 241, 0.15);

  --green: #22c55e;
  --green-muted: rgba(34, 197, 94, 0.15);
  --yellow: #f59e0b;
  --yellow-muted: rgba(245, 158, 11, 0.15);
  --red: #ef4444;
  --red-muted: rgba(239, 68, 68, 0.15);
  --blue: #3b82f6;
  --blue-muted: rgba(59, 130, 246, 0.15);
  --orange: #f97316;
  --orange-muted: rgba(249, 115, 22, 0.15);

  --border: #262a3a;
  --border-light: #2d3348;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);

  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ---- Auth Pages ---- */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 20px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}

.auth-brand .brand-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 16px;
}

.auth-brand h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
}

.auth-brand p {
  color: var(--text-secondary);
  font-size: 14px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238b90a0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); color: #fff; }

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

.btn-danger {
  background: var(--red-muted);
  color: var(--red);
}

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { padding: 8px; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 18px;
}
.alert-error { background: var(--red-muted); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: var(--green-muted); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }

.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

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

/* ---- Sidebar ---- */
.sidebar {
  width: 240px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 24px;
}

.sidebar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.brand-text {
  font-weight: 600;
  font-size: 16px;
}

.sidebar-nav {
  flex: 1;
  padding: 0 12px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-card); color: var(--text-primary); }
.nav-item.active { background: var(--accent-muted); color: var(--accent); font-weight: 500; }

.nav-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.nav-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 4px 12px 8px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 8px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

.user-info { display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 500; }
.user-role { font-size: 11px; color: var(--text-muted); text-transform: capitalize; }

.logout-btn { color: var(--text-muted) !important; }
.logout-btn:hover { color: var(--red) !important; }

/* ---- Main Content ---- */
.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  max-width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 600;
}

.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 2px;
}

/* ---- Stats Cards ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-card .stat-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 6px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* ---- Filters ---- */
.filter-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent-muted); border-color: var(--accent); color: var(--accent); }

/* ---- Ticket Table ---- */
.ticket-table {
  width: 100%;
  border-collapse: collapse;
}

.ticket-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.ticket-table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}

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

.ticket-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}

.ticket-table .ticket-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
}

.ticket-table .ticket-subject {
  font-weight: 500;
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ticket-table .ticket-subject a { color: var(--text-primary); }
.ticket-table .ticket-subject a:hover { color: var(--accent); }

.ticket-table .ticket-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-open { background: var(--blue-muted); color: var(--blue); }
.badge-pending { background: var(--yellow-muted); color: var(--yellow); }
.badge-in_progress, .badge-in-progress { background: var(--accent-muted); color: var(--accent); }
.badge-resolved { background: var(--green-muted); color: var(--green); }
.badge-closed { background: rgba(107,114,128,0.15); color: #9ca3af; }

.badge-low { background: rgba(107,114,128,0.15); color: #9ca3af; }
.badge-medium { background: var(--blue-muted); color: var(--blue); }
.badge-high { background: var(--orange-muted); color: var(--orange); }
.badge-urgent { background: var(--red-muted); color: var(--red); }

/* ---- Ticket Detail ---- */
.ticket-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
}

.ticket-conversation {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.message-card.internal {
  border-left: 3px solid var(--yellow);
  background: rgba(245, 158, 11, 0.04);
}

.message-card.system-msg {
  background: transparent;
  border: 1px dashed var(--border);
  padding: 10px 16px;
}

.message-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.message-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.message-author .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-muted);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
}

.message-author .avatar.customer { background: var(--green-muted); color: var(--green); }
.message-author .avatar.agent { background: var(--accent-muted); color: var(--accent); }

.message-author .name { font-weight: 500; font-size: 14px; }
.message-author .role-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.message-author .role-badge.customer { background: var(--green-muted); color: var(--green); }
.message-author .role-badge.agent, .message-author .role-badge.admin { background: var(--accent-muted); color: var(--accent); }

.message-time {
  font-size: 12px;
  color: var(--text-muted);
}

.message-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.system-msg .message-body {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

.internal-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--yellow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Reply Box */
.reply-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 8px;
}

.reply-box h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.reply-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  gap: 12px;
}

.reply-actions .left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--yellow);
  cursor: pointer;
  font-weight: 500;
}

.checkbox-label input { accent-color: var(--yellow); }

/* Sidebar Panel */
.ticket-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.sidebar-panel h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 14px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.detail-row:last-child { border-bottom: none; }
.detail-row .label { color: var(--text-muted); }
.detail-row .value { font-weight: 500; }

.update-form select {
  margin-bottom: 10px;
}

/* ---- Search ---- */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.search-bar input {
  flex: 1;
}

/* ---- Customer Portal ---- */
.portal-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

.portal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.portal-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.portal-brand .brand-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.portal-brand span {
  font-weight: 600;
  font-size: 16px;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.portal-nav .user-greeting {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ---- Card Grid ---- */
.card { 
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

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

.empty-state svg {
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 14px;
  margin-bottom: 20px;
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  gap: 6px;
  margin-top: 20px;
  justify-content: center;
}

.pagination a, .pagination span {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .active { background: var(--accent-muted); border-color: var(--accent); color: var(--accent); }

/* ---- File Upload ---- */
.file-upload-area {
  margin-top: 12px;
}

.file-upload-area label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.file-upload-area label:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.file-upload-area input[type="file"] { display: none; }

.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.attachment-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
}

.attachment-item svg { width: 14px; height: 14px; }

/* ---- Users Table ---- */
.users-table {
  width: 100%;
  border-collapse: collapse;
}

.users-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.users-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.active { background: var(--green); }
.status-dot.inactive { background: var(--red); }

/* ---- Settings ---- */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.settings-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .ticket-detail-layout { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}