/* ═══ 4. CARDS ═══ */

/* ─── Cards ─────────────────────────────── */
.card {
    background: var(--surface);
    border-radius: 12px;
    padding: 20px 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 20px;
    transition: background 0.3s;
}

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

.card-title {
    font-weight: 600;
    font-size: 15px;
    align-self: flex-start;
}

/* ═══ 5. BUTTONS ═══ */

/* ─── Buttons ───────────────────────────── */
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 30%, transparent);
    transition: opacity 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-primary:hover:not(:disabled) { opacity: 0.9; }
.btn-primary:disabled {
    background: var(--input-bg);
    color: var(--text-secondary);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 1;
}

.btn-secondary {
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font-body);
    transition: background 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-secondary:hover { background: var(--surface-hover); }

.btn-group {
    display: flex;
    gap: 4px;
}

.btn-group.full-width { width: 100%; flex-wrap: wrap; } /* UX-036: 4 Typ-Buttons brechen auf schmalen Screens um statt überzulaufen */
.btn-group.full-width .btn-sm { flex: 1; }

.btn-sm {
    background: var(--input-bg);
    color: var(--text-secondary);
    border: none;
    border-radius: 8px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.btn-sm:hover {
    background: var(--surface-hover);
    color: var(--text);
    text-decoration: none;
}

.btn-sm:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}
.btn-sm:disabled:hover {
    background: var(--input-bg);
    color: var(--text-secondary);
}

.btn-sm.active {
    background: var(--accent);
    color: #fff;
}

.btn-sm.active:hover {
    background: var(--accent);
    color: #fff;
    opacity: 0.9;
}

[data-theme-btn].btn-secondary.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
[data-theme-btn].btn-secondary.active:hover {
    background: var(--accent);
    color: #fff;
    opacity: 0.9;
}

/* Farbige Toggle-Buttons (Admin-Modal) */
.btn-sm[data-color="green"].active  { background: var(--green-bg);             color: var(--green); }
.btn-sm[data-color="red"].active    { background: var(--red-bg);               color: var(--red); }
.btn-sm[data-color="warn"].active   { background: var(--yellow-bg);            color: var(--yellow); }
.btn-sm[data-color="neutral"].active { background: rgba(255,255,255,0.1);      color: var(--text); }
.btn-sm[data-color="teal"].active   { background: var(--teal-bg);              color: var(--teal); }
.btn-sm[data-color="violet"].active { background: var(--violet-bg);            color: var(--violet); }
.btn-sm[data-color].active:hover    { opacity: 0.85; }

.btn-btc {
    background: rgba(247, 147, 26, 0.15);
    color: #f7931a;
    border: 1px solid rgba(247, 147, 26, 0.35);
}
.btn-btc:hover {
    background: rgba(247, 147, 26, 0.25);
    color: #f7931a;
}
.btn-btc.active {
    background: #f7931a;
    color: #fff;
    border-color: #f7931a;
}
.btn-btc.active:hover {
    background: #e8871a;
    color: #fff;
    opacity: 1;
}

/* ═══ 6. GRID / LAYOUT HELPERS ═══ */

/* ─── Grid ──────────────────────────────── */
.grid-2col {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.grid-3col {
    display: grid;
    grid-template-columns: 240px 1fr 1fr;
    gap: 20px;
    margin-bottom: 0;
}

.top-perf-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
}
.top-perf-row:last-child { border-bottom: none; }
.top-perf-row:hover { background: var(--surface-hover); border-radius: 6px; }
.top-perf-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-perf-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}
.top-perf-icon img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: contain;
    background: #fff;
}
.top-perf-fallback {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
}
.top-perf-ticker {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}
.top-perf-values {
    display: flex;
    align-items: center;
    gap: 6px;
}
.top-perf-abs {
    font-size: 11px;
    font-weight: 500;
    font-family: var(--font-mono);
}

/* ─── Coin Compare Widget ─────────────────────────── */
.cc-layout {
    display: flex;
    flex-direction: row;
    gap: 0;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.cc-toggles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    align-content: start;
    flex-shrink: 0;
    width: 160px;
    padding: 10px 16px;
    overflow-y: auto;
    overflow-x: hidden;
    box-sizing: border-box;
}
.cc-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 3px 4px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.cc-toggle img { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.cc-toggle:hover { border-color: var(--text-secondary); }
.cc-toggle--nodata { opacity: 0.35; cursor: default; border-style: dashed; }

.cc-chart {
    flex: 1;
    min-width: 0;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

.card-title-hint {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-secondary);
    margin-left: 4px;
}

/* ─── Allocation ────────────────────────── */
.allocation-chart {
    display: flex;
    justify-content: center;
    padding: 4px 0 8px;
    flex-shrink: 0;
}

.donut-svg {
    width: 100%;
    max-width: 160px;
    height: auto;
    display: block;
    overflow: visible;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.2));
}

.donut-slice {
    cursor: pointer;
    transition: filter 0.18s ease;
}

.donut-slice:hover {
    filter: brightness(1.25);
}

.donut-center-label {
    font-size: 11px;
    fill: var(--text-secondary);
}

.donut-center-value {
    font-size: 12px;
    font-weight: 600;
    fill: var(--text);
}

.allocation-legend {
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.legend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    padding: 3px 4px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.legend-item:hover {
    background: var(--surface-hover);
}

.legend-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-logo {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    object-fit: contain;
    flex-shrink: 0;
    background: #fff;
}

.legend-name {
    font-weight: 500;
    font-size: 12px;
}

.legend-pct {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 12px;
}