/**
 * Chart Controls CSS
 * Per-chart symbol and timeframe switchers
 */

/* Chart Controls Bar - appears at top of each chart */
.chart-controls-bar {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;
}

/* Symbol + Zoom always inline */
.chart-symbol-zoom-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

/* Symbol Switcher Button */
.chart-symbol-switcher {
    display: flex;
    align-items: center;
}

.chart-symbol-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: rgba(18, 22, 33, 0.92);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all 0.2s ease;
}

.chart-symbol-btn:hover {
    background: rgba(18, 22, 33, 0.98);
    border-color: var(--primary-color);
}

.chart-symbol-btn svg {
    width: 10px;
    height: 10px;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

.chart-symbol-btn:hover svg {
    opacity: 1;
}

.chart-symbol-text {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
}

/* Timeframe Switcher */
.chart-timeframe-switcher {
    display: flex;
    align-items: center;
    gap: 2px;
    background: rgba(18, 22, 33, 0.92);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.chart-tf-btn {
    padding: 4px 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: var(--font-medium);
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all 0.15s ease;
    white-space: nowrap;
}

.chart-tf-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.chart-tf-btn-active {
    background: var(--primary-color) !important;
    color: #ffffff !important;
}

/* Mobile timeframe select — hidden on desktop */
.chart-tf-select {
    display: none;
}

/* Chart Settings Gear Button */
.chart-settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    background: rgba(18, 22, 33, 0.92);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.chart-settings-btn:hover {
    background: rgba(18, 22, 33, 0.98);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.chart-settings-btn svg {
    transition: transform 0.35s ease;
}

.chart-settings-btn:hover svg {
    transform: rotate(60deg);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .chart-controls-bar {
        top: 4px;
        left: 4px;
        gap: 4px;
        flex-wrap: nowrap;
        align-items: center;
    }

    .chart-symbol-btn {
        padding: 5px 8px;
        font-size: 0.8125rem;
    }

    /* Hide desktop tf buttons on mobile */
    .chart-timeframe-switcher {
        display: none;
    }

    /* Show mobile tf select, styled to match symbol button */
    .chart-tf-select {
        display: flex;
        height: 30px;
        padding: 0 6px;
        background: rgba(18, 22, 33, 0.92);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-primary);
        font-size: 0.8125rem;
        font-weight: var(--font-semibold);
        cursor: pointer;
        outline: none;
        appearance: none;
        -webkit-appearance: none;
        min-width: 54px;
        text-align: center;
    }

    .chart-tf-select:focus {
        border-color: var(--primary-color);
    }
}

/* Multi-chart layouts - smaller controls */
.layout-dual_horizontal .chart-controls-bar,
.layout-dual_vertical .chart-controls-bar,
.layout-quad .chart-controls-bar {
    top: 6px;
    left: 6px;
    gap: 6px;
}

.layout-quad .chart-symbol-btn {
    padding: 4px 8px;
    font-size: 0.8125rem;
}

.layout-quad .chart-tf-btn {
    padding: 3px 6px;
    font-size: 0.6875rem;
}

/* Ensure controls don't interfere with chart interactions */
.chart-pane {
    position: relative;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.chart-main {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ══════════════════════════════════════════════
   Chart Settings Modal  (.csm-*)
   ══════════════════════════════════════════════ */

.csm-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 9000;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.csm-overlay--open {
    display: flex;
}

.csm-modal {
    background: #16181f;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 14px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    animation: csm-in 0.18s ease;
}

@keyframes csm-in {
    from { opacity: 0; transform: scale(0.95) translateY(6px); }
    to   { opacity: 1; transform: scale(1)    translateY(0);   }
}

.csm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.csm-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #e0e0e0;
}

.csm-title svg {
    color: var(--primary-color, #e8b84b);
    flex-shrink: 0;
}

.csm-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
}

.csm-close:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #ccc;
    border-color: rgba(255, 255, 255, 0.15);
}

.csm-body {
    padding: 14px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.csm-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 8px;
}

/* ── Toggle row ── */
.csm-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
}

.csm-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.csm-row--disabled {
    opacity: 0.4;
    pointer-events: none;
}

.csm-row-info {
    flex: 1;
    min-width: 0;
}

.csm-row-name {
    font-size: 0.825rem;
    font-weight: 500;
    color: #d4d4d4;
    margin-bottom: 3px;
}

.csm-row-desc {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.35);
    line-height: 1.4;
}

/* ── Toggle switch ── */
.csm-toggle {
    width: 40px;
    height: 22px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 11px;
    position: relative;
    flex-shrink: 0;
    transition: background 0.2s;
    outline: none;
}

.csm-toggle:focus-visible {
    box-shadow: 0 0 0 2px var(--primary-color, #e8b84b);
}

.csm-toggle--on {
    background: var(--primary-color, #e8b84b);
}

.csm-toggle-knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.csm-toggle--on .csm-toggle-knob {
    transform: translateX(18px);
}

/* ── Mobile ── */
@media (max-width: 480px) {
    .csm-modal {
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        animation: csm-slide-up 0.2s ease;
    }

    .csm-overlay--open {
        align-items: flex-end;
        padding: 0;
    }

    @keyframes csm-slide-up {
        from { transform: translateY(100%); }
        to   { transform: translateY(0); }
    }
}