/* Custom Select — unified dropdown component */

/* Hide native select when wrapped */
.cs-native-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
    pointer-events: none;
}

/* Wrapper */
.cs-select {
    position: relative;
    display: inline-flex;
    min-width: 0;
}

/* Trigger button */
.cs-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 6px 10px;
    background: rgba(var(--shadow-rgb), 0.12);
    border: 1px solid rgba(var(--overlay-rgb), 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
    white-space: nowrap;
    text-align: left;
    line-height: 1.4;
    min-height: 32px;
}

.cs-trigger:hover {
    border-color: rgba(var(--brand-rgb), 0.4);
    background: rgba(var(--brand-rgb), 0.06);
}

.cs-trigger:focus-visible {
    outline: none;
    border-color: var(--color-brand);
    box-shadow: 0 0 0 2px rgba(var(--brand-rgb), 0.2);
}

/* Value text */
.cs-value {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

/* Chevron arrow */
.cs-arrow {
    display: flex;
    align-items: center;
    opacity: 0.4;
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.cs-arrow .lucide {
    width: 14px;
    height: 14px;
}

.cs-open .cs-arrow {
    transform: rotate(180deg);
    opacity: 0.7;
}

/* Dropdown panel — portaled to body */
.cs-dropdown-portal {
    position: fixed;
    width: max-content;
    max-width: min(480px, calc(100vw - 32px));
    max-height: 280px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(var(--overlay-rgb), 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(var(--shadow-rgb), 0.35);
    padding: 4px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast),
        visibility var(--transition-fast);
    pointer-events: none;
}

.cs-dropdown-portal.cs-dropdown-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.cs-dropdown-portal.cs-drop-up {
    transform: translateY(6px);
}

.cs-dropdown-portal.cs-drop-up.cs-dropdown-visible {
    transform: translateY(0);
}

/* Option items */
.cs-option {
    padding: 7px 12px;
    border-radius: var(--radius-xs);
    font-size: 13px;
    line-height: 1.4;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background-color 80ms ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cs-option:hover,
.cs-option.cs-focused {
    background: rgba(var(--overlay-rgb), 0.06);
}

.cs-option.cs-selected {
    color: var(--color-brand);
    font-weight: 500;
    background: rgba(var(--brand-rgb), 0.08);
}

.cs-option.cs-selected:hover,
.cs-option.cs-selected.cs-focused {
    background: rgba(var(--brand-rgb), 0.14);
}

.cs-option.cs-option-disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}

/* Disabled state */
.cs-disabled .cs-trigger {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

/* Scrollbar */
.cs-dropdown::-webkit-scrollbar {
    width: 4px;
}

.cs-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.cs-dropdown::-webkit-scrollbar-thumb {
    background: rgba(var(--overlay-rgb), 0.15);
    border-radius: 2px;
}

.cs-dropdown::-webkit-scrollbar-thumb:hover {
    background: rgba(var(--overlay-rgb), 0.25);
}

/* ========================================
   Context overrides
   ======================================== */

/* Header session selector — compact */
.quick-session-switcher .cs-select {
    min-width: 180px;
    max-width: 380px;
    flex: 1;
}

.quick-session-switcher .cs-trigger {
    font-size: 14px;
    padding: 4px 10px;
    min-height: 28px;
    border-radius: var(--radius-xs);
}

/* Session dropdown gets larger size via data attribute (portal is on body) */
.cs-dropdown-portal.cs-session-dropdown {
    max-height: 360px;
    max-width: min(520px, calc(100vw - 32px));
}

.cs-dropdown-portal.cs-session-dropdown .cs-option {
    white-space: normal;
    line-height: 1.5;
}

/* Panel selects — full width */
.panel-control-group .cs-select,
.language-column .cs-select,
.device-selector .cs-select,
.setting-group .cs-select {
    width: 100%;
}

.panel-control-group .cs-trigger,
.language-column .cs-trigger,
.device-selector .cs-trigger,
.setting-group .cs-trigger {
    font-size: 14px;
    padding: 8px 12px;
    min-height: 36px;
}

/* Display mode selector */
.display-mode-selector .cs-select {
    min-width: 130px;
}

.display-mode-selector .cs-trigger {
    font-size: 14px;
    padding: 6px 12px;
}

/* Subtitle controls */
.control-group .cs-select {
    min-width: 150px;
}

/* Simple mode — session & language selects */
.control-section .cs-select {
    width: 100%;
}

.control-section .cs-trigger {
    font-size: 14px;
    padding: 10px 12px;
    min-height: 40px;
}

.language-row .cs-select {
    flex: 1;
    min-width: 0;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 767px) {
    .quick-session-switcher .cs-select {
        min-width: 0;
        max-width: 100%;
    }

    .quick-session-switcher .cs-trigger {
        font-size: 13px;
    }

    .cs-dropdown {
        max-width: calc(100vw - 24px);
    }
}

@media (max-width: 575px) {
    .quick-session-switcher .cs-select {
        max-width: calc(100vw - 140px);
    }

    .quick-session-switcher .cs-trigger {
        font-size: 12px;
        padding: 4px 8px;
    }
}