/* IEXGold Application Styles — matches landing page design tokens */

:root {
  --gold: #C9A84C;
  --gold-light: #E8D48B;
  --gold-dark: #8B6914;
  --dark: #0A0A0A;
  --dark-card: #111111;
  --dark-border: #1A1A1A;
  --dark-hover: #161616;
  --silver: #C0C0C0;
  --platinum: #E5E4E2;
  --text: #E8E8E8;
  --text-muted: #888888;
  --green: #4ADE80;
  --red: #F87171;
  --blue: #60A5FA;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--dark);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

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

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--dark-card);
  border-right: 1px solid var(--dark-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  border-bottom: 1px solid var(--dark-border);
}

.sidebar-logo span { color: var(--text); font-weight: 400; }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.sidebar-nav a:hover {
  background: var(--dark-hover);
  color: var(--text);
}

.sidebar-nav a.active {
  background: rgba(201,168,76,0.1);
  color: var(--gold);
}

.sidebar-nav a .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 1rem;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--dark-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}

.sidebar-user:hover { background: var(--dark-hover); }

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(201,168,76,0.15);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: 'Space Grotesk', sans-serif;
}

.user-info { flex: 1; overflow: hidden; }
.user-name { font-size: 0.85rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-email { font-size: 0.7rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Top bar (language + currency toggle) */
.app-top-bar {
  position: fixed;
  top: 0;
  left: 240px;
  right: 0;
  height: 52px;
  background: var(--dark-card);
  border-bottom: 1px solid var(--dark-border);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 32px;
}

.top-bar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-lang-toggle {
  display: flex;
  gap: 4px;
}

.top-lang-toggle button {
  padding: 4px 9px;
  font-size: 0.75rem;
  font-weight: 600;
  background: none;
  border: 1px solid var(--dark-border);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.3px;
  transition: all 0.2s;
}

.top-lang-toggle button:hover {
  color: var(--text);
  border-color: rgba(255,255,255,0.3);
}

.top-lang-toggle button.active {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(201,168,76,0.08);
}

.top-lang-divider {
  width: 1px;
  height: 16px;
  background: var(--dark-border);
  margin: 0 4px;
}

/* Main content */
.main-content {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
  padding-top: 84px;
  max-width: 1200px;
}

/* Mobile nav toggle */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 6px;
  left: 12px;
  z-index: 60;
  background: transparent;
  border: none;
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  font-size: 1.2rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Language selector */
.lang-selector {
  display: flex;
  gap: 4px;
  padding: 12px;
}

.lang-selector button {
  padding: 4px 8px;
  font-size: 0.75rem;
  background: none;
  border: 1px solid var(--dark-border);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
}

.lang-selector button.active {
  color: var(--gold);
  border-color: var(--gold);
}

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

.page-header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Cards */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

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

.card-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}

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

.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 20px;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
}

.stat-value.gold { color: var(--gold); }
.stat-value.green { color: var(--green); }

/* Price ticker */
.price-ticker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.price-item {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.metal-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
}

.metal-icon.gold { background: rgba(201,168,76,0.15); color: var(--gold); }
.metal-icon.silver { background: rgba(192,192,192,0.15); color: var(--silver); }
.metal-icon.platinum { background: rgba(229,228,226,0.15); color: var(--platinum); }

.price-info { flex: 1; }
.price-name { font-weight: 500; font-size: 0.9rem; }
.price-symbol { font-size: 0.75rem; color: var(--text-muted); }
.price-value { font-family: 'Space Grotesk', sans-serif; font-weight: 600; text-align: right; }
.price-change { font-size: 0.8rem; text-align: right; }
.price-change.up { color: var(--green); }
.price-change.down { color: var(--red); }

/* Holdings table */
.holdings-table {
  width: 100%;
  border-collapse: collapse;
}

.holdings-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--dark-border);
  font-weight: 500;
}

.holdings-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--dark-border);
  font-size: 0.9rem;
}

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

.holdings-table .metal-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pnl-positive { color: var(--green); }
.pnl-negative { color: var(--red); }

/* Forms */
.form-group {
  margin-bottom: 16px;
}

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

.form-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--dark);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--gold);
}

.form-input::placeholder { color: #555; }

select.form-input {
  appearance: none;
  cursor: pointer;
  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='%23888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

select.form-input option {
  background: var(--dark-card);
  color: var(--text);
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--gold-light);
}

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

.btn-secondary:hover:not(:disabled) {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-green {
  background: rgba(74,222,128,0.15);
  color: var(--green);
  border: 1px solid rgba(74,222,128,0.3);
}

.btn-green:hover:not(:disabled) {
  background: rgba(74,222,128,0.25);
}

.btn-red {
  background: rgba(248,113,113,0.15);
  color: var(--red);
  border: 1px solid rgba(248,113,113,0.3);
}

.btn-red:hover:not(:disabled) {
  background: rgba(248,113,113,0.25);
}

.btn-full { width: 100%; }

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--dark-border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: -1px;
}

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

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

/* Toggle group (buy/sell) */
.toggle-group {
  display: flex;
  background: var(--dark);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 3px;
  margin-bottom: 20px;
}

.toggle-btn {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.toggle-btn.active.buy {
  background: rgba(74,222,128,0.15);
  color: var(--green);
}

.toggle-btn.active.sell {
  background: rgba(248,113,113,0.15);
  color: var(--red);
}

/* Input mode toggle (Grams / EUR) */
.input-mode-toggle {
  display: flex;
  background: var(--dark);
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  padding: 2px;
  margin-bottom: 8px;
  width: fit-content;
  gap: 2px;
}

.mode-btn {
  padding: 5px 14px;
  background: none;
  border: none;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.15s;
  letter-spacing: 0.02em;
}

.mode-btn.active {
  background: var(--gold);
  color: #000;
}

.mode-btn:hover:not(.active) {
  color: var(--text);
  background: var(--dark-hover);
}

/* Trade summary */
.trade-summary {
  background: var(--dark);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
}

.trade-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9rem;
}

.trade-row .label { color: var(--text-muted); }
.trade-row .value { font-family: 'Space Grotesk', sans-serif; font-weight: 500; }
.trade-row.total { border-top: 1px solid var(--dark-border); padding-top: 10px; margin-top: 4px; }
.trade-row.total .value { font-size: 1.1rem; font-weight: 700; color: var(--gold); }

/* Alerts / Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  z-index: 1000;
  animation: slideUp 0.3s ease;
  max-width: 400px;
}

.toast.success {
  background: rgba(74,222,128,0.15);
  border: 1px solid rgba(74,222,128,0.3);
  color: var(--green);
}

.toast.error {
  background: rgba(248,113,113,0.15);
  border: 1px solid rgba(248,113,113,0.3);
  color: var(--red);
}

.toast.info {
  background: rgba(96,165,250,0.15);
  border: 1px solid rgba(96,165,250,0.3);
  color: var(--blue);
}

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

/* Auth pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: 16px;
  padding: 40px;
}

.auth-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo span { color: var(--text); font-weight: 400; }

.auth-title {
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
}

.auth-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.auth-link a {
  color: var(--gold);
  text-decoration: none;
}

.auth-link a:hover { text-decoration: underline; }

.auth-error {
  background: rgba(248,113,113,0.1);
  border: 1px solid rgba(248,113,113,0.2);
  color: var(--red);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.auth-info {
  background: rgba(96,165,250,0.1);
  border: 1px solid rgba(96,165,250,0.2);
  color: var(--blue);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

/* QR code container */
.qr-container {
  text-align: center;
  padding: 20px;
  background: white;
  border-radius: 12px;
  margin: 16px auto;
  max-width: 200px;
}

.qr-container img { width: 100%; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

/* Quick actions */
.quick-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

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

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

/* --- Vault Section --- */
.vault-metal-section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--dark-border);
}
.vault-metal-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.vault-metal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.vault-items-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
}
.vault-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  position: relative;
  cursor: default;
}
.vault-item svg {
  transition: transform 0.18s ease, filter 0.18s ease;
}
.vault-item:hover svg {
  transform: translateY(-4px) scale(1.05);
  filter: brightness(1.1) drop-shadow(0 8px 16px rgba(0,0,0,0.45));
}
.vault-count {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  min-height: 16px;
  letter-spacing: 0.3px;
}
.vault-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.3px;
  white-space: nowrap;
  text-transform: uppercase;
}
.vault-partial-label {
  font-style: italic;
  opacity: 0.7;
}
.vault-empty {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 32px 0;
}
@media (max-width: 768px) {
  .vault-items-grid { gap: 14px; }
  .vault-item svg { transform: scale(0.80); transform-origin: bottom center; }
  .vault-item:hover svg { transform: scale(0.80) translateY(-4px); filter: brightness(1.1); }
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .mobile-nav-toggle { display: flex; }
  .app-top-bar { left: 0; padding-left: 56px; }
  .main-content { margin-left: 0; padding: 20px; padding-top: 72px; }
  .stats-grid { grid-template-columns: 1fr; }
  .price-ticker { grid-template-columns: 1fr; }
  .quick-actions { flex-direction: column; }
  .auth-card { padding: 24px; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Overlay for mobile sidebar */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 40;
}

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

/* Portfolio Performance Chart */
.portfolio-chart-card .card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.chart-range-toggles {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 3px;
}

.chart-range-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.chart-range-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

.chart-range-btn.active {
  color: var(--gold);
  background: rgba(201, 168, 76, 0.15);
}

#chart-summary {
  min-height: 28px;
}

@media (max-width: 600px) {
  .portfolio-chart-card .card-header {
    flex-direction: column;
    gap: 12px;
  }
  .chart-range-toggles {
    width: 100%;
    justify-content: space-between;
  }
  .chart-range-btn {
    flex: 1;
    text-align: center;
    padding: 8px 6px;
  }
}