/* Silver Linings - Main Shared Styles */

:root {
  --navy-primary: #0a1f44;
  --navy-light: #1a3a6e;
  --gold-accent: #d4af37;
  --gold-light: #e5c568;
  --silver-gray: #c0c0c0;
  --platinum-gray: #e5e4e2;
  --success-green: #28a745;
  --danger-red: #dc3545;
  --warning-orange: #fd7e14;
  --bg-light: #f8f9fa;
  --text-dark: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --shadow-sm: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0,0,0,0.15);
  --shadow-lg: 0 1rem 3rem rgba(0,0,0,0.175);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--navy-primary);
}

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(--gold-accent);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--gold-light);
}

/* Navigation */
.navbar {
  background-color: var(--navy-primary);
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-logo img {
  background: transparent;
  filter: brightness(0) invert(1);
  /* Makes the logo white to blend with navbar */
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.navbar-menu a {
  color: white;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s;
}

.navbar-menu a:hover {
  background-color: var(--navy-light);
  color: var(--gold-accent);
}

.navbar-menu a.active {
  background-color: var(--gold-accent);
  color: var(--navy-primary);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

.navbar-actions {
  display: flex;
  gap: 1rem;
}

/* Spot Price Ticker */
.spot-price-ticker {
  background: linear-gradient(135deg, var(--navy-light), var(--navy-primary));
  padding: 1rem 0;
  border-bottom: 2px solid var(--gold-accent);
}

.ticker-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-around;
  gap: 2rem;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: white;
}

.ticker-icon {
  font-size: 2rem;
}

.ticker-info h4 {
  color: var(--gold-accent);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.ticker-price {
  font-size: 1.5rem;
  font-weight: 700;
}

.ticker-change {
  font-size: 0.875rem;
  margin-left: 0.5rem;
}

.ticker-change.positive { color: var(--success-green); }
.ticker-change.negative { color: var(--danger-red); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--gold-accent);
  color: var(--navy-primary);
}

.btn-primary:hover {
  background-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--navy-light);
}

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

.btn-outline:hover {
  background-color: var(--gold-accent);
  color: var(--navy-primary);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Cards */
.card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-header {
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-body {
  padding: 1rem 0;
}

.card-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: 1rem;
}

/* Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-fluid {
  width: 100%;
  padding: 0 2rem;
}

.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* Grid System */
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 0 -1rem;
}

.col {
  flex: 1;
  padding: 0 1rem;
}

.col-2 { flex: 0 0 calc(50% - 2rem); }
.col-3 { flex: 0 0 calc(33.333% - 2rem); }
.col-4 { flex: 0 0 calc(25% - 2rem); }

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--navy-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  transition: border-color 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: var(--gold-accent);
}

.form-select {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background-color: white;
  cursor: pointer;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  z-index: 2000;
  animation: fadeIn 0.3s;
}

.modal.active {
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

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

.modal-close:hover {
  color: var(--danger-red);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.toast {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 1rem;
  animation: slideInRight 0.3s;
}

.toast-success {
  border-left: 4px solid var(--success-green);
}

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

.toast-warning {
  border-left: 4px solid var(--warning-orange);
}

.toast-icon {
  font-size: 1.5rem;
}

/* Loading Spinner */
.spinner {
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--gold-accent);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

/* Footer */
.footer {
  background-color: var(--navy-primary);
  color: white;
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-section h4 {
  color: var(--gold-accent);
  margin-bottom: 1rem;
  text-align: center;
}

.footer-section ul {
  list-style: none;
  text-align: center;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: white;
}

.footer-section a:hover {
  color: var(--gold-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--navy-light);
  color: var(--text-muted);
}

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

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--navy-primary);
    padding: 1rem;
    gap: 0.5rem;
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-toggle {
    display: block;
  }

  .ticker-container {
    flex-direction: column;
    gap: 1rem;
  }

  .col-2, .col-3, .col-4 {
    flex: 0 0 100%;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }

  .section-title {
    font-size: 2rem;
  }

  .toast-container {
    right: 10px;
    left: 10px;
  }

  .toast {
    min-width: auto;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-green); }
.text-danger { color: var(--danger-red); }
.text-warning { color: var(--warning-orange); }

.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; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

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

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