:root {
    --bg: #0b0c0a;
    --panel-bg: #131412;
    --border: rgba(237, 234, 227, 0.14);
    --border-strong: rgba(237, 234, 227, 0.28);
    --text: #ede9e0;
    --text-muted: #9a978d;
    --accent: #f7931a;
    --accent-text: #0b0c0a;
    --positive: #22c55e;
    --negative: #ef4444;
    --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', Palatino, serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-serif);
    line-height: 1.5;
}

.masthead {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 16px;
    padding: 28px 32px 20px;
    border-bottom: 2px solid var(--text);
    max-width: 1100px;
    margin: 0 auto;
}

.masthead-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.masthead-mark {
    font-size: 2.4rem;
    color: var(--accent);
    font-family: var(--font-mono);
}

.masthead h1 {
    margin: 0;
    font-size: 2rem;
    letter-spacing: 0.02em;
}

.masthead-tagline {
    margin: 4px 0 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}

.lang-toggle {
    display: flex;
    border: 1px solid var(--border-strong);
    height: fit-content;
}

.lang-toggle button {
    padding: 6px 14px;
    border: none;
    border-left: 1px solid var(--border-strong);
}

.lang-toggle button:first-child {
    border-left: none;
}

.lang-toggle button.active {
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.panel {
    border: 1px solid var(--border);
    background: var(--panel-bg);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    margin: 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-family: var(--font-mono);
    font-weight: normal;
    color: var(--text-muted);
}

.toolbar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

button {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    padding: 9px 16px;
    border: 1px solid var(--text);
    background: transparent;
    color: var(--text);
    cursor: pointer;
    border-radius: 0;
}

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

button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-text);
}

.btn-primary:hover:not(:disabled) {
    background: transparent;
    color: var(--accent);
}

.view-switch {
    display: flex;
    border: 1px solid var(--border-strong);
}

.view-switch button {
    border: none;
    border-left: 1px solid var(--border-strong);
}

.view-switch button:first-child {
    border-left: none;
}

.view-switch button.active {
    background: var(--accent);
    color: var(--accent-text);
}

.currency-switch {
    display: flex;
    border: 1px solid var(--border-strong);
}

.currency-switch button {
    border: none;
    border-left: 1px solid var(--border-strong);
}

.currency-switch button:first-child {
    border-left: none;
}

.currency-switch button.active {
    background: var(--accent);
    color: var(--accent-text);
}

#favorites-only-btn.active {
    background: var(--accent);
    color: var(--accent-text);
    border-color: var(--accent);
}

#coin-list,
#ai-analysis {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    overflow-x: auto;
    white-space: pre-wrap;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    white-space: normal;
}

th,
td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: right;
}

.col-name,
.coin-name-cell {
    text-align: left;
}

.favorite-cell {
    width: 28px;
    text-align: center;
}

thead th {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: normal;
}

tbody tr:hover {
    background: rgba(247, 147, 26, 0.06);
}

.coin-name-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.coin-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.coin-symbol {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.favorite-toggle {
    border: none;
    background: transparent;
    color: var(--accent);
    font-size: 1rem;
    padding: 0 4px;
}

.favorite-toggle:hover {
    background: transparent;
    color: var(--accent);
    opacity: 0.7;
}

.sparkline-cell {
    width: 90px;
}

.sparkline-line {
    fill: none;
    stroke-width: 1.5;
    stroke: currentColor;
}

.card-sparkline {
    margin-top: 4px;
}

.change-up {
    color: var(--positive);
}

.change-down {
    color: var(--negative);
}

.change-flat {
    color: var(--text-muted);
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: normal;
}

.coin-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

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

.coin-list-text {
    flex: 1;
    color: var(--text);
}

.coin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1px;
    background: var(--border);
    white-space: normal;
}

.coin-card {
    background: var(--panel-bg);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.coin-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.coin-identity {
    display: flex;
    align-items: center;
    gap: 10px;
}

.coin-name {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text);
}

.stat-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.stat-value {
    font-size: 0.95rem;
    color: var(--text);
    margin-top: 2px;
}

#debug-log {
    padding: 16px;
    background: #200a0a;
    color: #ff9b9b;
    border: 1px solid #5a1c1c;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    white-space: pre-wrap;
}

.site-footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 32px 40px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

@media (max-width: 560px) {
    .masthead {
        flex-direction: column;
        align-items: flex-start;
    }

    main {
        padding: 20px;
    }

    .panel-header {
        flex-direction: column;
        align-items: flex-start;
    }
}