/* --- DESIGN SYSTEM & CSS VARIABLES --- */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Colors */
  --bg-main: #090d16;
  --bg-card: rgba(17, 25, 40, 0.75);
  --bg-card-hover: rgba(22, 34, 57, 0.85);
  --bg-modal: rgba(13, 20, 35, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(124, 58, 237, 0.3);
  
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-glow: rgba(124, 58, 237, 0.3);

  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-inverse: #ffffff;

  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.15);
  --paused: #6b7280;
  --paused-glow: rgba(107, 114, 128, 0.15);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 48px 0 rgba(0, 0, 0, 0.5);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & ROOT STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- BACKGROUND GLOW EFFECT --- */
.glow {
  position: fixed;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(120px);
  opacity: 0.15;
}

.glow-1 {
  background: var(--primary);
  top: -10vw;
  right: -10vw;
}

.glow-2 {
  background: #2563eb;
  bottom: -10vw;
  left: -10vw;
}

/* --- CONTAINERS & LAYOUT --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  flex-grow: 1;
}

/* --- NAVBAR --- */
header {
  background-color: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-main);
  transition: var(--transition);
}

.brand:hover {
  opacity: 0.9;
}

.brand-icon {
  color: var(--primary);
  width: 24px;
  height: 24px;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-email {
  font-size: 0.875rem;
  color: var(--text-muted);
  border-right: 1px solid var(--border-color);
  padding-right: 1rem;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  gap: 0.5rem;
  text-decoration: none;
  white-space: nowrap;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 6px 20px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--border-color-hover);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--text-muted);
}

.btn-text {
  background-color: transparent;
  color: var(--text-muted);
}

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

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
}

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

.btn-icon-text i {
  width: 16px;
  height: 16px;
}

/* --- HERO SECTION --- */
.hero {
  text-align: center;
  padding: 5rem 1rem 3rem 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  background: linear-gradient(135deg, #ffffff 30%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* --- FEATURES GRID --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.feature-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(124, 58, 237, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- DASHBOARD STYLES --- */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Stats Summary */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-header i {
  width: 18px;
  height: 18px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
}

/* --- SWITCH CARDS --- */
.switches-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.switch-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.switch-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
  background-color: var(--bg-card-hover);
}

.switch-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.switch-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-active {
  background-color: var(--success-glow);
  color: var(--success);
}
.badge-active .badge-dot { background-color: var(--success); }

.badge-warning {
  background-color: var(--warning-glow);
  color: var(--warning);
}
.badge-warning .badge-dot {
  background-color: var(--warning);
  animation: pulse-warn 1.5s infinite;
}

.badge-triggered {
  background-color: var(--danger-glow);
  color: var(--danger);
}
.badge-triggered .badge-dot { background-color: var(--danger); }

.badge-paused {
  background-color: var(--paused-glow);
  color: var(--paused);
}
.badge-paused .badge-dot { background-color: var(--paused); }

/* Switch Card Inner Details */
.switch-meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-item i {
  width: 14px;
  height: 14px;
}

.progress-container {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.05);
  height: 6px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.25rem;
}

.progress-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.5s ease-in-out;
}

.progress-active { background-color: var(--success); }
.progress-warning { background-color: var(--warning); }
.progress-triggered { background-color: var(--danger); }
.progress-paused { background-color: var(--paused); }

/* Switch Card Actions */
.switch-actions {
  display: flex;
  gap: 0.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.switch-actions .btn {
  flex-grow: 1;
}

.switch-actions .btn-danger-icon {
  flex-grow: 0;
  background-color: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.switch-actions .btn-danger-icon:hover {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: var(--danger);
}

/* --- FORM & MODAL CONTROLS --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.align-end {
  align-items: flex-end;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

input:focus,
textarea:focus {
  border-color: var(--primary);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-help {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-content {
  background-color: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal.active .modal-content {
  transform: scale(1);
}

.auth-card {
  max-width: 440px;
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Webhook Display Panel */
.webhook-display {
  display: flex;
  gap: 0.5rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 0.75rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  align-items: center;
  overflow-x: auto;
}

.webhook-display code {
  font-family: monospace;
  font-size: 0.85rem;
  color: #c7d2fe;
  flex-grow: 1;
  white-space: nowrap;
}

/* Code Snippet Tabs */
.code-example-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.code-block {
  background-color: #0b0f19;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
}

.code-block code {
  font-family: monospace;
  font-size: 0.85rem;
  color: #a5b4fc;
}

/* --- STATES AND STYLES --- */
.hidden { display: none !important; }
.flex-grow { flex-grow: 1; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.alert-danger {
  background-color: var(--danger-glow);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}

.alert-success {
  background-color: var(--success-glow);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #a7f3d0;
}

.card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.02);
}

.card-outline {
  border: 1px solid var(--border-color);
}

/* Loading/Empty State */
.loading-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem;
  text-align: center;
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

.empty-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

/* Auth Card Footer */
.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.auth-footer .btn-link {
  margin-left: 0.25rem;
}

/* Text Colors */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* Footer */
.main-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
  background-color: rgba(9, 13, 22, 0.5);
  margin-top: 4rem;
}

/* --- ANIMATIONS --- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse-warn {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

/* --- RESPONSIVE ADJUSTMENTS --- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .dashboard-header {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  .dashboard-header .btn {
    align-self: flex-start;
  }
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }
}

/* --- CHECKBOX ROW STYLES --- */
.form-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}

.form-checkbox-row input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: var(--radius-sm);
  accent-color: var(--primary);
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
}

.checkbox-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  user-select: none;
}

/* --- Custom Recipient Cards --- */
.custom-email-card {
  border: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.015);
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  position: relative;
  transition: border-color 0.2s ease;
}

.custom-email-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
}

.custom-email-card-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.3);
  color: #fee2e2;
}