/* ─── Design System ─────────────────────────── */
:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-hover: #1e2a4a;
  --bg-input: #0d1b2a;
  --border: #2a2a4a;
  --border-focus: #667eea;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #667eea;
  --accent-hover: #764ba2;
  --success: #43e97b;
  --warning: #f5a623;
  --error: #f5576c;
  --info: #4facfe;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.2);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 240px;
  --glass: rgba(22, 33, 62, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
}

/* ─── Reset & Base ─────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

/* ─── Sidebar ──────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

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

.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 8px rgba(102, 126, 234, 0.5));
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  list-style: none;
  padding: 16px 12px;
  flex: 1;
}

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

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

.nav-link.active {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
  color: var(--accent);
  border: 1px solid rgba(102, 126, 234, 0.2);
}

.nav-icon {
  font-size: 18px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
  animation: pulse 2s infinite;
}

.status-dot.connected {
  background: var(--success);
}

.status-dot.error {
  background: var(--error);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

/* ─── Main Content ─────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 32px 40px;
  min-height: 100vh;
}

.page {
  display: none;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-header {
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  flex-basis: 100%;
  margin-top: -8px;
}

.page-header .btn {
  margin-left: auto;
}

/* ─── Stats Grid ───────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

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

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── Cards ────────────────────────────────── */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 0;
}

/* ─── Tables ───────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead {
  background: rgba(0, 0, 0, 0.2);
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 16px !important;
  font-style: italic;
}

/* ─── Badges ───────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(67, 233, 123, 0.1);
  color: var(--success);
  border: 1px solid rgba(67, 233, 123, 0.2);
}

.badge-warning {
  background: rgba(245, 166, 35, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 166, 35, 0.2);
}

.badge-error {
  background: rgba(245, 87, 108, 0.1);
  color: var(--error);
  border: 1px solid rgba(245, 87, 108, 0.2);
}

.badge-info {
  background: rgba(79, 172, 254, 0.1);
  color: var(--info);
  border: 1px solid rgba(79, 172, 254, 0.2);
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
}

.platform-clickup {
  background: rgba(121, 62, 255, 0.15);
  color: #b794f4;
}

.platform-slack {
  background: rgba(74, 21, 75, 0.3);
  color: #e28fd0;
}

.platform-discord {
  background: rgba(88, 101, 242, 0.15);
  color: #8b9cf7;
}

.platform-drive {
  background: rgba(25, 167, 206, 0.15);
  color: #4dc2e0;
}

/* ─── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

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

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

.btn-icon {
  padding: 6px 8px;
  font-size: 14px;
}

.btn-danger {
  background: rgba(245, 87, 108, 0.1);
  color: var(--error);
  border: 1px solid rgba(245, 87, 108, 0.2);
}

.btn-danger:hover {
  background: rgba(245, 87, 108, 0.2);
}

.action-btns {
  display: flex;
  gap: 6px;
}

/* ─── Modal ────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 560px;
  box-shadow: var(--shadow);
  animation: slideUp 0.25s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 18px;
}

.btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.btn-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

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

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-group .help {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── Settings ─────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.settings-grid .card-body {
  padding: 20px 24px;
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.setting-row:last-child {
  border-bottom: none;
}

.setting-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.url-code {
  background: var(--bg-input);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
}

.help-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.6;
}

/* ─── Responsive ───────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    width: 60px;
  }

  .logo-text,
  .nav-link span:not(.nav-icon) {
    display: none;
  }

  .nav-link {
    justify-content: center;
    padding: 12px;
  }

  .main-content {
    margin-left: 60px;
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sidebar-footer {
    display: none;
  }
}

/* ─── Login Overlay ────────────────────────── */
.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.login-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow);
  animation: slideUp 0.3s ease;
}

.login-box h2 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 24px;
}