/* ============================================
   PENNY OPTIONS SCOUT - MAIN STYLESHEET
   Complete styling for the application
   ============================================ */

/* ============================================
   CSS VARIABLES - THEME COLORS
   ============================================ */

:root {
  /* Light Theme Colors */
  --bg: #ffffff;
  --panel: #f8f9fa;
  --text: #1a1a1a;
  --border: #e0e0e0;
  --accent: #667eea;
  --accent-hover: #5568d3;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --call: #10b981;
  --put: #ef4444;
  --shadow: rgba(0, 0, 0, 0.1);
  --overlay: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg: #1a1a1a;
  --panel: #2a2a2a;
  --text: #f0f0f0;
  --border: #404040;
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #3b82f6;
  --call: #10b981;
  --put: #ef4444;
  --shadow: rgba(0, 0, 0, 0.3);
  --overlay: rgba(0, 0, 0, 0.7);
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ============================================
   LAYOUT COMPONENTS
   ============================================ */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px var(--shadow);
  transition: all 0.3s ease;
}

.panel:hover {
  box-shadow: 0 4px 12px var(--shadow);
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  background: var(--panel);
  border-bottom: 2px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

/* ============================================
   BUTTONS
   ============================================ */

button, .btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-align: center;
  white-space: nowrap;
}

button:hover, .btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

button:active, .btn:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Button Variants */
.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-success, .success {
  background: var(--success);
  color: #fff;
}

.btn-danger, .danger {
  background: var(--danger);
  color: #fff;
}

.btn-warning, .warning {
  background: var(--warning);
  color: #fff;
}

.btn-secondary, .secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover, .secondary:hover {
  background: var(--border);
  box-shadow: 0 2px 8px var(--shadow);
}

/* Button Group */
.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */

input, select, textarea {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  transition: all 0.2s ease;
}

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

input:disabled, select:disabled, textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.form-group {
  margin-bottom: 20px;
}

/* ============================================
   TABLES
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
}

thead {
  background: var(--accent);
  color: #fff;
}

th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr {
  transition: background-color 0.2s ease;
}

tbody tr:hover {
  background: var(--bg);
}

/* ============================================
   MODALS
   ============================================ */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal.show {
  display: flex;
}

.modal-content {
  background: var(--panel);
  border-radius: 16px;
  padding: 32px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text);
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

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

/* ============================================
   LOADING OVERLAY
   ============================================ */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9998;
  backdrop-filter: blur(4px);
}

.loading-overlay.show {
  display: flex;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
}

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

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

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--warning);
  color: var(--warning);
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--info);
  color: var(--info);
}

/* ============================================
   BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--info);
}

.badge-elite {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
}

/* ============================================
   TABS
   ============================================ */

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: var(--text);
  opacity: 0.6;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab:hover {
  opacity: 1;
  background: transparent;
  transform: none;
}

.tab.active {
  opacity: 1;
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ============================================
   STATS & METRICS
   ============================================ */

.stat-card {
  text-align: center;
  padding: 20px;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  opacity: 0.7;
  font-weight: 500;
}

/* ============================================
   CHARTS & VISUALIZATIONS
   ============================================ */

.chart-container {
  position: relative;
  height: 300px;
  margin: 20px 0;
}

canvas {
  max-width: 100%;
}

/* ============================================
   OPTIONS CHAIN STYLING
   ============================================ */

.options-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.options-column {
  background: var(--panel);
  border-radius: 8px;
  padding: 16px;
}

.options-header {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.option-row {
  padding: 12px;
  margin-bottom: 8px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  cursor: pointer;
}

.option-row:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-success { background: var(--success); }
.bg-danger { background: var(--danger); }
.bg-warning { background: var(--warning); }
.bg-info { background: var(--info); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: 8px; }
.rounded-lg { border-radius: 12px; }
.rounded-full { border-radius: 9999px; }

.shadow { box-shadow: 0 2px 8px var(--shadow); }
.shadow-lg { box-shadow: 0 4px 16px var(--shadow); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .container {
    padding: 12px;
  }
  
  .panel {
    padding: 16px;
    margin-bottom: 16px;
  }
  
  .header-content {
    flex-direction: column;
    gap: 12px;
  }
  
  nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  button, .btn {
    width: 100%;
    justify-content: center;
  }
  
  .options-container {
    grid-template-columns: 1fr;
  }
  
  table {
    font-size: 12px;
  }
  
  th, td {
    padding: 8px;
  }
  
  .modal-content {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 8px;
  }
  
  .panel {
    padding: 12px;
    border-radius: 8px;
  }
  
  button, .btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

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

.fade-in {
  animation: fadeIn 0.5s ease;
}

.slide-in {
  animation: slideIn 0.5s ease;
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--panel);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  header, nav, button, .btn, .ad-container, .modal {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .panel {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================
   CUSTOM COMPONENTS
   ============================================ */

/* Symbol Link Styling */
.symbol-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.symbol-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Price Change Indicators */
.price-up {
  color: var(--call);
  font-weight: 600;
}

.price-down {
  color: var(--put);
  font-weight: 600;
}

/* Strike Indicator */
.strike-itm {
  background: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--success);
}

.strike-atm {
  background: rgba(245, 158, 11, 0.1);
  border-left: 3px solid var(--warning);
}

.strike-otm {
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--danger);
}

/* Footer */
footer {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 40px 20px;
  margin-top: 60px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--text);
  opacity: 0.7;
  font-size: 14px;
  transition: opacity 0.2s ease;
}

.footer-links a:hover {
  opacity: 1;
}

/* ============================================
   END OF STYLESHEET
   ============================================ */