/* ============================================
   EurasiaMetal Price Dashboard
   ShadCN UI inspired - Dark/Light Theme
   ============================================ */

/* --- Light Theme (default) --- */
:root {
    --background: hsl(0 0% 100%);
    --foreground: hsl(220 8% 28%);
    --card: hsl(0 0% 100%);
    --card-foreground: hsl(220 8% 28%);
    --primary: hsl(220 8% 28%);
    --primary-foreground: hsl(0 0% 98%);
    --secondary: hsl(240 4.8% 95.9%);
    --secondary-foreground: hsl(220 8% 28%);
    --muted: hsl(240 4.8% 95.9%);
    --muted-foreground: hsl(240 3.8% 46.1%);
    --accent: hsl(240 4.8% 95.9%);
    --accent-foreground: hsl(240 5.9% 10%);
    --destructive: hsl(0 84.2% 60.2%);
    --border: hsl(240 5.9% 90%);
    --ring: hsl(240 5.9% 10%);
    --radius: 0.5rem;

    --up-color: hsl(142.1 76.2% 36.3%);
    --up-bg: hsl(142.1 76.2% 92%);
    --down-color: hsl(0 84.2% 60.2%);
    --down-bg: hsl(0 84.2% 92%);

    --grid-header-bg: hsl(220 8% 28%);
    --grid-header-fg: hsl(0 0% 100%);
    --grid-row-alt: hsl(240 4.8% 97%);
    --grid-highlight: hsl(48 96% 89%);
}

/* --- Dark Theme --- */
[data-theme="dark"] {
    --background: hsl(240 10% 3.9%);
    --foreground: hsl(0 0% 98%);
    --card: hsl(240 10% 7%);
    --card-foreground: hsl(0 0% 98%);
    --primary: hsl(0 0% 98%);
    --primary-foreground: hsl(240 5.9% 10%);
    --secondary: hsl(240 3.7% 15.9%);
    --secondary-foreground: hsl(0 0% 98%);
    --muted: hsl(240 3.7% 15.9%);
    --muted-foreground: hsl(240 5% 64.9%);
    --accent: hsl(240 3.7% 15.9%);
    --accent-foreground: hsl(0 0% 98%);
    --destructive: hsl(0 62.8% 30.6%);
    --border: hsl(240 3.7% 20%);
    --ring: hsl(240 4.9% 83.9%);

    --up-color: hsl(142.1 70.6% 45.3%);
    --up-bg: hsl(142.1 40% 12%);
    --down-color: hsl(0 72.2% 50.6%);
    --down-bg: hsl(0 40% 12%);

    --grid-header-bg: hsl(240 5.9% 15%);
    --grid-header-fg: hsl(0 0% 90%);
    --grid-row-alt: hsl(240 5% 10%);
    --grid-highlight: hsl(48 50% 15%);
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--foreground);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* --- Header --- */
.header {
    background: var(--primary);
    border-bottom: 1px solid var(--border);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.1);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header h1 {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-foreground);
    letter-spacing: -0.01em;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-badge {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 9999px;
    font-weight: 500;
    transition: all 0.2s;
}

.status-connected {
    background: var(--up-color);
    color: hsl(0 0% 100%);
}

.status-disconnected {
    background: var(--down-color);
    color: hsl(0 0% 100%);
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: calc(var(--radius) - 2px);
    background: transparent;
    color: var(--primary-foreground);
    cursor: pointer;
    transition: background 0.15s;
    font-size: 16px;
}

.btn-icon:hover {
    background: rgb(255 255 255 / 0.15);
}

/* --- Main Container --- */
.main-container {
    width: 100%;
    margin: 0;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.3s ease;
}

/* --- Price Cards Section --- */
.price-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.price-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    transition: box-shadow 0.15s, background-color 0.3s;
    overflow: hidden;
    position: relative;
}

.price-card:hover {
    box-shadow: 0 2px 8px rgb(0 0 0 / 0.08);
}

.price-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.asset-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.asset-symbol {
    font-size: 11px;
    color: var(--muted-foreground);
    font-weight: 400;
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
    min-height: 32px;
}

.price-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--foreground);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    line-height: 1;
}

.price-change {
    font-size: 13px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    padding: 1px 5px;
    border-radius: 3px;
}

.price-change.up {
    color: var(--up-color);
    background: var(--up-bg);
}

.price-change.down {
    color: var(--down-color);
    background: var(--down-bg);
}

.price-bidask {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--muted-foreground);
    margin-top: 4px;
}

.price-bidask strong {
    color: var(--foreground);
    font-weight: 500;
}

/* --- KRW Grid Section --- */
#grid-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.grid-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.grid-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.grid-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--grid-header-fg);
    background: var(--grid-header-bg);
    padding: 6px 12px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 12px;
}

.grid-title-rates {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    font-size: 10px;
    opacity: 0.9;
}

.grid-title-usd {
    font-variant-numeric: tabular-nums;
}

.grid-title-rate {
    font-variant-numeric: tabular-nums;
}

.grid-title-sep {
    opacity: 0.4;
}

.grid-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.grid-table thead th {
    font-size: 10px;
    font-weight: 500;
    color: var(--muted-foreground);
    padding: 5px 6px;
    text-align: right;
    border-bottom: 1px solid var(--border);
    background: var(--muted);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.grid-table thead th:first-child {
    text-align: center;
    width: 64px;
}

.grid-table tbody td {
    padding: 4px 6px;
    text-align: right;
    border-bottom: 1px solid var(--border);
    color: var(--foreground);
    transition: background-color 0.3s;
}

.grid-table tbody td:first-child {
    text-align: center;
    font-weight: 600;
    color: var(--muted-foreground);
    background: var(--muted);
    font-size: 11px;
}

.grid-table tbody tr:nth-child(even) td:not(:first-child) {
    background: var(--grid-row-alt);
}

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

/* Horizontal grid (NauGold style) */
.grid-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.grid-table-horizontal thead th {
    text-align: right;
    white-space: nowrap;
    font-size: 10px;
    padding: 5px 8px;
    min-width: 72px;
}

.grid-table-horizontal thead th.pct-100 {
    background: var(--grid-highlight);
}

.grid-table-horizontal tbody td {
    text-align: right;
    white-space: nowrap;
    padding: 3px 8px;
    font-size: 12px;
}

.grid-label-col {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--muted) !important;
    text-align: center !important;
    font-weight: 600;
    font-size: 11px;
    color: var(--muted-foreground);
    min-width: 64px;
    width: 64px;
    white-space: nowrap;
}

.grid-label-col small {
    font-size: 9px;
    font-weight: 500;
    opacity: 0.7;
    margin-right: 2px;
}

thead .grid-label-col {
    z-index: 3;
}

/* Section label rows removed - rates shown in title bar */

/* Grid cell flash on update */
.grid-cell-updated {
    animation: cell-flash 0.8s ease-out;
}

@keyframes cell-flash {
    0% { background: hsl(48 100% 70% / 0.4); }
    100% { background: transparent; }
}

/* Platinum/Palladium side-by-side pair */
.grid-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

/* London Fix compact table */
.london-fix-table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
}

.london-fix-table thead th {
    font-size: 10px;
    font-weight: 500;
    color: var(--muted-foreground);
    padding: 4px 8px;
    text-align: right;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.02em;
}

.london-fix-table thead th:first-child {
    text-align: left;
}

.london-fix-table tbody td {
    padding: 5px 8px;
    border-bottom: 1px solid var(--border);
}

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

.london-fix-table .lf-label {
    font-size: 12px;
    color: var(--muted-foreground);
    font-weight: 500;
}

.london-fix-table .lf-value {
    text-align: right;
    font-size: 13px;
    font-weight: 600;
    color: var(--foreground);
}

.london-fix-table .lf-value.placeholder {
    color: var(--muted-foreground);
    font-weight: 400;
    font-style: italic;
}

/* --- Bottom Info Section --- */
.bottom-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    max-width: 50%;
}

.info-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
}

.info-card-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
}

.info-row:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.info-label {
    font-size: 12px;
    color: var(--muted-foreground);
}

.info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--foreground);
    font-variant-numeric: tabular-nums;
}

.info-value.placeholder {
    color: var(--muted-foreground);
    font-style: italic;
    font-weight: 400;
}

/* --- Footer --- */
.footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 10px;
    text-align: center;
    font-size: 11px;
    color: var(--muted-foreground);
    margin-top: 4px;
}

/* --- Provider Badge --- */
.provider-badge {
    font-size: 9px;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--muted);
    color: var(--muted-foreground);
    font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
    .price-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .grid-section {
        grid-template-columns: 1fr;
    }
    .bottom-info {
        max-width: 100%;
        grid-template-columns: 1fr;
    }
    .grid-pair {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .price-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .price-value {
        font-size: 18px;
    }
    .price-change {
        font-size: 11px;
    }
    .grid-title {
        flex-wrap: wrap;
        gap: 4px 10px;
        padding: 5px 10px;
        font-size: 10px;
    }
    .grid-title-rates {
        font-size: 9px;
        gap: 4px;
    }
    .grid-table {
        font-size: 11px;
    }
    .grid-table thead th,
    .grid-table tbody td {
        padding: 3px 4px;
    }
    .grid-label-col {
        min-width: 52px;
        width: 52px;
        font-size: 10px;
    }
    .grid-label-col small {
        font-size: 8px;
    }
    .main-container {
        padding: 8px;
        gap: 8px;
    }
    .bottom-info {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .price-cards {
        grid-template-columns: 1fr;
    }
    .header h1 {
        font-size: 13px;
    }
    .price-card {
        padding: 10px;
    }
    .grid-title {
        font-size: 9px;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--muted);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--muted-foreground);
}

/* --- Settings Drawer --- */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgb(0 0 0 / 0.4);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.drawer-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 340px;
    max-width: 90vw;
    height: 100vh;
    background: var(--background);
    border-left: 1px solid var(--border);
    z-index: 201;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
    flex-shrink: 0;
}

.drawer-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--foreground);
}

.drawer-close-btn {
    color: var(--foreground);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.settings-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 10px;
    overflow: hidden;
}

.settings-card-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--muted-foreground);
    padding: 10px 14px 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.settings-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.15s;
    border-bottom: 1px solid var(--border);
}

.settings-option:last-child {
    border-bottom: none;
}

.settings-option:hover {
    background: var(--muted);
}

.settings-option input[type="radio"] {
    accent-color: var(--foreground);
    width: 15px;
    height: 15px;
    cursor: pointer;
    flex-shrink: 0;
}

.settings-option label {
    flex: 1;
    font-size: 13px;
    color: var(--foreground);
    cursor: pointer;
}

.settings-option .desc {
    font-size: 10px;
    color: var(--muted-foreground);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
}

.theme-toggle-label {
    font-size: 13px;
    color: var(--foreground);
}

.switch {
    position: relative;
    width: 40px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 22px;
    transition: background 0.2s;
}

.slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 3px;
    bottom: 3px;
    background: var(--foreground);
    border-radius: 50%;
    transition: transform 0.2s;
}

.switch input:checked + .slider {
    background: var(--foreground);
}

.switch input:checked + .slider::before {
    transform: translateX(18px);
    background: var(--background);
}