/* KeepTrack - App Styles */
/* Design Language: Blue primary #1a56db, Dark #0f172a, Slate grays */

/* ===== CSS Variables ===== */
:root {
  --primary: #1a56db;
  --primary-hover: #1648b8;
  --primary-light: #e8eefb;
  --dark: #0f172a;
  --dark-secondary: #1e293b;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --white: #ffffff;
  --success: #16a34a;
  --success-light: #dcfce7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --info: #2563eb;
  --info-light: #dbeafe;
  --sidebar-width: 260px;
  --header-height: 64px;
  --border-radius: 8px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition: all 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--slate-800);
  background: var(--slate-50);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-hover);
}

img {
  max-width: 100%;
}

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

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  min-height: 100vh;
}

.app-content {
  padding: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--dark);
  color: var(--white);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.sidebar-logo svg {
  flex-shrink: 0;
}

.sidebar-logo span {
  color: var(--primary);
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--border-radius);
  color: var(--slate-400);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.sidebar-nav a.active {
  background: var(--primary);
  color: var(--white);
}

.sidebar-nav a svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-nav a:hover svg,
.sidebar-nav a.active svg {
  opacity: 1;
}

.sidebar-nav .nav-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 12px 0;
}

.sidebar-user {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
}

.sidebar-business-name {
  font-size: 0.75rem;
  color: var(--slate-400);
  margin-top: 2px;
}

.sidebar-plan {
  font-size: 0.7rem;
  color: var(--primary);
  background: rgba(26, 86, 219, 0.2);
  padding: 2px 8px;
  border-radius: 10px;
  display: inline-block;
  margin-top: 6px;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.show {
  display: block;
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 101;
  background: var(--dark);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

/* ===== Auth Pages (Login/Signup) ===== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-50);
  padding: 24px;
}

.auth-container {
  width: 100%;
  max-width: 480px;
}

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

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.auth-logo span {
  color: var(--primary);
}

.auth-subtitle {
  color: var(--slate-500);
  font-size: 0.95rem;
  margin-top: 8px;
}

.auth-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
}

.auth-footer {
  text-align: center;
  margin-top: 16px;
  color: var(--slate-500);
  font-size: 0.875rem;
}

.auth-footer a {
  font-weight: 600;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 6px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--slate-300);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  color: var(--slate-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

.form-input::placeholder {
  color: var(--slate-400);
}

.form-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 4px;
}

.form-hint {
  color: var(--slate-500);
  font-size: 0.8rem;
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Plan Selection (Signup) ===== */
.plan-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.plan-option {
  position: relative;
  border: 2px solid var(--slate-200);
  border-radius: var(--border-radius);
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.plan-option:hover {
  border-color: var(--slate-300);
}

.plan-option.selected {
  border-color: var(--primary);
  background: var(--primary-light);
}

.plan-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.plan-option-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate-800);
}

.plan-option-price {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
}

.plan-option-desc {
  font-size: 0.75rem;
  color: var(--slate-500);
  margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
  line-height: 1.4;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--white);
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--slate-50);
  border-color: var(--slate-400);
}

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

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-ghost {
  background: transparent;
  color: var(--slate-600);
  padding: 8px 12px;
}

.btn-ghost:hover {
  background: var(--slate-100);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary);
  color: var(--white);
}

/* ===== Page Header ===== */
.page-header {
  margin-bottom: 32px;
}

.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.page-header p {
  color: var(--slate-500);
  font-size: 0.95rem;
}

/* ===== Cards ===== */
.card {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-sm);
  padding: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--slate-100);
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
}

/* ===== Stats Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--slate-200);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.stat-card-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--dark);
  margin-top: 4px;
}

.stat-card-sub {
  font-size: 0.8rem;
  color: var(--slate-400);
  margin-top: 4px;
}

/* ===== Data Tables ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
}

.data-table th:first-child {
  border-radius: var(--border-radius) 0 0 0;
}

.data-table th:last-child {
  border-radius: 0 var(--border-radius) 0 0;
}

.data-table td {
  padding: 12px 16px;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--slate-100);
  color: var(--slate-700);
}

.data-table tbody tr:hover {
  background: var(--slate-50);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ===== Stars ===== */
.stars {
  color: #f59e0b;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

/* ===== Toast Notifications ===== */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: var(--border-radius);
  background: var(--white);
  color: var(--slate-800);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--slate-200);
  z-index: 10000;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  max-width: 400px;
  font-size: 0.875rem;
}

.toast.show {
  transform: translateX(0);
}

.toast-icon {
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--info); }

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info { border-left: 4px solid var(--info); }

.toast-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--slate-400);
  cursor: pointer;
  padding: 0 0 0 8px;
  line-height: 1;
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--slate-400);
}

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

.empty-state p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}

/* ===== Banners ===== */
.banner {
  padding: 14px 20px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 500;
}

.banner-info {
  background: var(--info-light);
  color: var(--info);
  border: 1px solid #bfdbfe;
}

.banner-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid #fde68a;
}

.banner-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid #bbf7d0;
}

.banner-danger {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid #fecaca;
}

.banner .close-banner {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
}

.banner .close-banner:hover {
  opacity: 1;
}

/* ===== Search Bar ===== */
.search-section {
  margin-bottom: 24px;
}

.search-bar {
  display: flex;
  gap: 10px;
  position: relative;
}

.search-bar .form-input {
  flex: 1;
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 60px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  max-height: 300px;
  overflow-y: auto;
  display: none;
  margin-top: 4px;
}

.search-result-item {
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--slate-100);
  transition: var(--transition);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--slate-50);
}

.search-result-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--dark);
}

.search-result-meta {
  font-size: 0.8rem;
  color: var(--slate-500);
  margin-top: 2px;
}

.search-section.disabled .search-bar {
  opacity: 0.5;
  pointer-events: none;
}

/* ===== Competitor Limit Indicator ===== */
.limit-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--slate-50);
  border-radius: var(--border-radius);
  margin-bottom: 16px;
  font-size: 0.875rem;
  color: var(--slate-600);
}

.limit-indicator a {
  font-weight: 600;
  font-size: 0.8rem;
}

/* ===== Settings Sections ===== */
.settings-section {
  margin-bottom: 32px;
}

.settings-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.settings-section p {
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-bottom: 16px;
}

.settings-section .card {
  max-width: 560px;
}

.danger-zone {
  border-color: #fecaca;
  background: #fff5f5;
}

.danger-zone .card-title {
  color: var(--danger);
}

/* ===== Billing ===== */
.plan-display {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--primary-light);
  border-radius: var(--border-radius);
  margin-bottom: 24px;
}

.plan-display-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.plan-display-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
}

.plan-display-status {
  font-size: 0.85rem;
  color: var(--slate-500);
}

.plan-display-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 8px;
}

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

.badge-trial {
  background: var(--warning-light);
  color: var(--warning);
}

.badge-canceled {
  background: var(--danger-light);
  color: var(--danger);
}

/* ===== Pricing Cards ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 32px 0;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--slate-200);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.pricing-card:hover {
  border-color: var(--slate-300);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.current-plan {
  border-color: var(--primary);
}

.pricing-card.current-plan::after {
  content: 'Current Plan';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-card.popular {
  border-color: var(--primary);
}

.pricing-card.popular::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-card-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.pricing-card-price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark);
}

.pricing-card-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--slate-500);
}

.pricing-card-desc {
  color: var(--slate-500);
  font-size: 0.875rem;
  margin: 16px 0 24px;
}

.pricing-card-features {
  list-style: none;
  text-align: left;
  margin-bottom: 24px;
}

.pricing-card-features li {
  padding: 8px 0;
  font-size: 0.875rem;
  color: var(--slate-600);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-card-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ===== Utility ===== */
.text-muted {
  color: var(--slate-400);
}

.text-success {
  color: var(--success);
}

.text-danger {
  color: var(--danger);
}

.text-warning {
  color: var(--warning);
}

.font-medium {
  font-weight: 500;
}

.link {
  color: var(--primary);
  font-weight: 500;
}

.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.gap-3 { gap: 12px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ===== Loading Spinner ===== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--slate-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* ===== Password Strength ===== */
.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

.password-strength-bar {
  height: 4px;
  flex: 1;
  background: var(--slate-200);
  border-radius: 2px;
  transition: var(--transition);
}

.password-strength-bar.weak { background: var(--danger); }
.password-strength-bar.medium { background: var(--warning); }
.password-strength-bar.strong { background: var(--success); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .app-main {
    margin-left: 0;
  }

  .app-content {
    padding: 24px 16px;
    padding-top: 64px;
  }

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

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

  .plan-options {
    grid-template-columns: 1fr;
  }

  .data-table {
    display: block;
    overflow-x: auto;
  }

  .search-results {
    right: 0;
  }
}

@media (max-width: 480px) {
  .auth-card {
    padding: 24px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.8rem;
  }

  .page-header h1 {
    font-size: 1.4rem;
  }
}