/* ========================================
   Trading Journal — Design System
   Dark theme with glassmorphism
   ======================================== */

:root {
  /* Color Palette */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-input: rgba(255, 255, 255, 0.05);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.5);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-heading: #e2e8f0;

  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-primary-glow: rgba(99, 102, 241, 0.3);
  --accent-secondary: #8b5cf6;

  --color-win: #10b981;
  --color-win-bg: rgba(16, 185, 129, 0.1);
  --color-loss: #ef4444;
  --color-loss-bg: rgba(239, 68, 68, 0.1);
  --color-breakeven: #f59e0b;
  --color-breakeven-bg: rgba(245, 158, 11, 0.1);
  --color-buy: #3b82f6;
  --color-sell: #f43f5e;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);
  --gradient-card: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.02) 100%);
  --gradient-win: linear-gradient(135deg, #059669, #10b981);
  --gradient-loss: linear-gradient(135deg, #dc2626, #ef4444);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);

  /* Spacing & Sizing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --nav-height: 64px;
  --sidebar-width: 260px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

#app {
  position: relative;
  z-index: 1;
}

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

/* ========================================
   Scrollbar
   ======================================== */

::-webkit-scrollbar { width: 6px; height: 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); }

/* ========================================
   Navbar
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  cursor: pointer;
}

.navbar-brand .brand-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.nav-link.active {
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-logout {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-loss);
  border: 1px solid rgba(239, 68, 68, 0.2);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* ========================================
   Main Content
   ======================================== */

#main-content {
  padding-top: calc(var(--nav-height) + 24px);
  padding-left: 24px;
  padding-right: 24px;
  padding-bottom: 40px;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 100vh;
}

/* ========================================
   Page Headers
   ======================================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ========================================
   Cards
   ======================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.kpi-card:hover::before { opacity: 1; }
.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.kpi-value.positive { color: var(--color-win); }
.kpi-value.negative { color: var(--color-loss); }

.kpi-change {
  font-size: 0.8rem;
  margin-top: 6px;
  color: var(--text-secondary);
}

.kpi-icon {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 1.6rem;
  opacity: 0.3;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

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

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.btn-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-win);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-success:hover {
  background: rgba(16, 185, 129, 0.2);
}

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-icon { padding: 8px; width: 36px; height: 36px; }

.btn-group {
  display: flex;
  gap: 4px;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.btn-group .btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

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

/* ========================================
   Forms
   ======================================== */

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  outline: none;
}

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

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

select.form-control {
  cursor: pointer;
  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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

select.form-control option, select.filter-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.form-check input[type="checkbox"]:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.form-check input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: 700;
}

/* Toggle Switch */
.toggle-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-switch.active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.toggle-switch.active::after {
  transform: translateX(20px);
}

/* ========================================
   Type Toggle (Backtest/Live)
   ======================================== */

.type-toggle {
  display: inline-flex;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}

.type-toggle-btn {
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.type-toggle-btn.active {
  background: var(--accent-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.type-toggle-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* ========================================
   Order Type Buttons
   ======================================== */

.order-type-group {
  display: flex;
  gap: 8px;
}

.order-type-btn {
  flex: 1;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.order-type-btn.buy.active {
  border-color: var(--color-buy);
  color: var(--color-buy);
  background: rgba(59, 130, 246, 0.1);
}

.order-type-btn.sell.active {
  border-color: var(--color-sell);
  color: var(--color-sell);
  background: rgba(244, 63, 94, 0.1);
}

/* ========================================
   Tables
   ======================================== */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  white-space: nowrap;
}

.data-table tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable:hover {
  color: var(--accent-primary);
}

/* ========================================
   Badges
   ======================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-win {
  background: var(--color-win-bg);
  color: var(--color-win);
}

.badge-loss {
  background: var(--color-loss-bg);
  color: var(--color-loss);
}

.badge-breakeven {
  background: var(--color-breakeven-bg);
  color: var(--color-breakeven);
}

.badge-buy {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-buy);
}

.badge-sell {
  background: rgba(244, 63, 94, 0.1);
  color: var(--color-sell);
}

.badge-backtest {
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-secondary);
}

.badge-live {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-win);
}

/* ========================================
   Filters Bar
   ======================================== */

.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.filter-select {
  padding: 7px 30px 7px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%2394a3b8' d='M5 7L0 2h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  outline: none;
}

.filter-select:focus {
  border-color: var(--accent-primary);
}

.filter-input {
  padding: 7px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  width: 130px;
}

.filter-input:focus {
  border-color: var(--accent-primary);
}

/* ========================================
   Charts
   ======================================== */

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.chart-card canvas {
  max-height: 300px;
}

/* ========================================
   Modal
   ======================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn var(--transition-fast);
}

.modal-overlay.hidden { display: none; }

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  animation: slideUp var(--transition-normal);
}

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

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-heading);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--bg-input);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
  position: fixed;
  top: calc(var(--nav-height) + 16px);
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 300;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: slideIn var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 280px;
}

.toast-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-win);
}

.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--color-loss);
}

.toast-info {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--accent-primary);
}

/* ========================================
   Login Page
   ======================================== */

.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo .brand-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.login-logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-logo p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.login-tabs {
  display: flex;
  margin-bottom: 28px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.login-tab {
  flex: 1;
  padding: 10px;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 6px;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.login-tab.active {
  background: var(--accent-primary);
  color: white;
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 20px;
}

.pagination button {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.pagination button:hover:not(:disabled) {
  background: var(--bg-input);
  color: var(--text-primary);
}

.pagination button.active {
  background: var(--accent-primary);
  color: white;
  border-color: var(--accent-primary);
}

.pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ========================================
   Strategy Cards
   ======================================== */

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.strategy-card:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.strategy-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.strategy-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.strategy-conditions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.condition-tag {
  padding: 4px 10px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--accent-primary);
  font-weight: 500;
}

.strategy-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

/* ========================================
   Condition Form Items
   ======================================== */

.conditions-section {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.conditions-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.condition-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  gap: 12px;
}

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

.condition-item label {
  font-size: 0.88rem;
  color: var(--text-secondary);
  min-width: 180px;
}

.condition-item .form-control,
.condition-item select {
  max-width: 200px;
}

/* ========================================
   Empty States
   ======================================== */

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

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 400px;
  margin: 0 auto 20px;
}

/* ========================================
   Analysis Page
   ======================================== */

.analysis-section {
  margin-bottom: 32px;
}

.analysis-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.impact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.impact-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.impact-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.impact-bar-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 60px;
}

.impact-bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
}

.impact-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width var(--transition-slow);
}

.impact-bar-fill.positive { background: var(--gradient-win); }
.impact-bar-fill.negative { background: var(--gradient-loss); }

.impact-bar-value {
  font-size: 0.85rem;
  font-weight: 600;
  min-width: 50px;
  text-align: right;
}

/* Setup Card */
.setup-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 12px;
  transition: all var(--transition-normal);
}

.setup-card:hover {
  border-color: var(--accent-primary);
}

.setup-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  margin-right: 10px;
}

.setup-header {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.setup-strategy {
  font-weight: 600;
  color: var(--text-heading);
}

.setup-winrate {
  margin-left: auto;
  font-size: 1.3rem;
  font-weight: 700;
}

.setup-conditions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.setup-cond-tag {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.setup-cond-tag.true {
  background: var(--color-win-bg);
  color: var(--color-win);
}

.setup-cond-tag.false {
  background: var(--color-loss-bg);
  color: var(--color-loss);
}

/* ========================================
   File Upload
   ======================================== */

.file-upload {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-upload:hover {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.05);
}

.file-upload input { display: none; }

.file-upload-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  opacity: 0.5;
}

.file-upload p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.file-preview {
  margin-top: 12px;
}

.file-preview img {
  max-width: 200px;
  max-height: 150px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* ========================================
   Skeleton Loading
   ======================================== */

.skeleton {
  background: linear-gradient(90deg, var(--bg-input) 25%, rgba(255,255,255,0.06) 50%, var(--bg-input) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text { height: 14px; margin-bottom: 8px; }
.skeleton-title { height: 24px; width: 60%; margin-bottom: 12px; }
.skeleton-card { height: 120px; margin-bottom: 16px; }

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.fade-in {
  animation: fadeIn var(--transition-normal);
}

.slide-up {
  animation: slideUp var(--transition-normal);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  #main-content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .navbar-links { display: none; }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .page-title {
    font-size: 1.4rem;
  }

  .filters-bar {
    flex-direction: column;
    align-items: stretch;
  }

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

  .modal-container {
    padding: 20px;
    margin: 10px;
    width: calc(100% - 20px);
  }
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-win { color: var(--color-win); }
.text-loss { color: var(--color-loss); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }