/**
 * Soundcheck Controls Styles
 * Settings panel and interactive controls
 */

/* Playlist header - shows when loading from saved playlist */
.playlist-header {
    position: fixed;
    top: max(var(--spacing-md), var(--safe-area-inset-top, env(safe-area-inset-top, 0px)));
    left: 50%;
    transform: translateX(-50%);
    z-index: calc(var(--z-controls) + 50);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    pointer-events: none;
    /* Width auto-sizes to content, max respects X and gear buttons */
    /* Buttons are ~44px + 16px margin = 60px from edge */
    /* Allow header to get within ~8px of buttons before truncating */
    max-width: calc(100vw - 136px);
}

/* Desktop: plenty of room, no need to get close to buttons */
@media (min-width: 641px) {
    .playlist-header {
        max-width: min(600px, calc(100vw - 200px));
    }
}

.playlist-header .playlist-label {
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
}

.playlist-header .playlist-name {
    font-weight: 500;
    /* Two-line support with ellipsis on overflow */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-align: center;
    line-height: 1.4;
}

.playlist-header .playlist-skipped {
    color: rgba(255, 200, 100, 0.8);
    font-size: 10px;
    padding-left: var(--spacing-xs);
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

/* Controls layer positioning */
.layer-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    padding: var(--spacing-md);
    pointer-events: none;
}

/* Toggle button - fixed position, always on top like close button */
.controls-toggle {
    position: fixed;
    top: max(var(--spacing-md), var(--safe-area-inset-top, env(safe-area-inset-top, 0px)));
    right: var(--spacing-md);
    z-index: calc(var(--z-controls) + 100);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.3);
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    pointer-events: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.controls-toggle:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: scale(1.05);
}

.controls-toggle:active {
    transform: scale(0.95);
}

.controls-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

.controls-toggle.active svg {
    transform: rotate(90deg);
}

/* Controls drawer panel - fixed position below toggle button */
.controls-drawer {
    position: fixed;
    top: calc(var(--spacing-md) + 52px);
    right: var(--spacing-md);
    z-index: calc(var(--z-controls) + 99);
    width: 280px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.85);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    pointer-events: auto;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    transform-origin: top right;
}

.controls-drawer.collapsed {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
    pointer-events: none;
}

/* Section styling */
.controls-section {
    margin-bottom: var(--spacing-lg);
}

.controls-section:last-child {
    margin-bottom: 0;
}

.controls-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Control row - label + slider + value */
.control-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.control-row span:first-child {
    flex: 0 0 80px;
    color: var(--color-text);
}

.control-row input[type="range"] {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.control-row input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.control-row input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--color-text);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
}

.control-value {
    flex: 0 0 50px;
    text-align: right;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-variant-numeric: tabular-nums;
}

/* Pattern and gradient buttons */
.pattern-buttons,
.gradient-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.pattern-btn,
.gradient-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pattern-btn:hover,
.gradient-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--color-text);
}

.pattern-btn.active,
.gradient-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-text);
}

/* Reset button */
.reset-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.reset-btn:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* Desktop: wider drawer for background effects */
@media (min-width: 769px) {
    .controls-drawer {
        width: 340px;
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .controls-drawer {
        width: calc(100vw - 32px);
        max-width: 320px;
    }
}

/* Custom scrollbar for controls drawer */
.controls-drawer::-webkit-scrollbar {
    width: 6px;
}

.controls-drawer::-webkit-scrollbar-track {
    background: transparent;
}

.controls-drawer::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.controls-drawer::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Settings scrim overlay - tap outside to close */
.settings-scrim {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-controls) + 98);
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.settings-scrim.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Settings levels for two-level navigation */
.settings-level {
    display: none;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.settings-level.active {
    display: block;
    animation: slideInFromRight 0.25s ease-out;
}

.settings-level.slide-out-left {
    display: block;
    animation: slideOutToLeft 0.25s ease-out forwards;
}

.settings-level.slide-in-from-left {
    animation: slideInFromLeft 0.25s ease-out;
}

@keyframes slideInFromRight {
    from { transform: translateX(20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutToLeft {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(-20px); opacity: 0; }
}

@keyframes slideInFromLeft {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Segmented control for start time */
.segmented-control {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 2px;
    gap: 2px;
}

.segment-btn {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: calc(var(--radius-md) - 2px);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.segment-btn:hover {
    color: var(--color-text);
}

.segment-btn.active {
    background: var(--color-accent);
    color: var(--color-text);
}

/* Navigation button (to Level 2) */
.nav-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.nav-btn svg {
    color: var(--color-text-muted);
}

/* Back button */
.back-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    margin-bottom: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.back-btn:hover {
    color: var(--color-text);
}

/* Setting hint text */
.setting-hint {
    margin: var(--spacing-xs) 0 0 0;
    font-size: 11px;
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* Reload hint for settings that require page reload */
.setting-reload-hint {
    color: var(--color-accent);
    opacity: 1;
}

.reload-link {
    background: none;
    border: none;
    color: var(--color-accent);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
    padding: 0;
    font-family: inherit;
}

.reload-link:hover {
    color: var(--color-text);
}

/* ==========================================================================
   Preset Selector - Discovery mode tabs at bottom of screen
   ========================================================================== */

/* Wrapper just provides positioning context */
/* NOTE: On iOS Capacitor, env(safe-area-inset-bottom) may not work for remote URLs,
   so we use 34px as the fallback (standard iPhone safe area height) */
/* The preset selector sits above the session stats (~55px from bottom including safe area) */
.preset-selector-wrapper {
    position: fixed;
    bottom: calc(70px + var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 34px)));
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    pointer-events: none;
}

/* Preset selector is truly centered on screen */
.preset-selector {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    background: rgba(0, 0, 0, 0.4);
    border-radius: var(--radius-full);
    padding: 3px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    pointer-events: auto;
}

.preset-btn {
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    /* Allow swipe gestures to pass through while keeping tap functionality */
    touch-action: manipulation;
}

@media (hover: hover) {
    .preset-btn:hover {
        color: rgba(255, 255, 255, 0.8);
    }
}

.preset-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text);
}

/* Mobile: slightly smaller */
@media (max-width: 480px) {
    .preset-btn {
        padding: 8px 15px;
        font-size: 13px;
    }
}

/* Info button - positioned absolutely to the right of the selector */
.preset-info-btn {
    position: absolute;
    left: calc(100% + var(--spacing-sm));
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: Georgia, serif;
    font-size: 15px;
    font-style: italic;
    font-weight: 400;
}

@media (hover: hover) {
    .preset-info-btn:hover {
        background: rgba(255, 255, 255, 0.15);
        color: rgba(255, 255, 255, 0.7);
    }
}

.preset-info-btn:active {
    transform: scale(0.95);
}

/* ==========================================================================
   Preset Info Modal
   ========================================================================== */

.preset-modal {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-controls) + 200);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.preset-modal.visible {
    opacity: 1;
    visibility: visible;
}

.preset-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.preset-modal-content {
    position: relative;
    width: 90%;
    max-width: 360px;
    max-height: 85vh;
    overflow-y: auto;
    background: rgba(20, 20, 20, 0.95);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.3s ease;
}

.preset-modal.visible .preset-modal-content {
    transform: scale(1) translateY(0);
}

.preset-modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.preset-modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.preset-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--spacing-md) 0;
    text-align: center;
}

/* Preset Cards */
.preset-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.preset-card-header {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.08);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preset-card-body {
    padding: var(--spacing-sm);
}

.preset-card-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 4px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

.preset-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

/* Tip section */
.preset-modal-tip {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.tip-icon {
    flex-shrink: 0;
}

.tip-text {
    flex: 1;
    min-width: 150px;
}

.tip-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}

.tip-link:hover {
    text-decoration: underline;
}

/* Mobile: Bottom sheet style */
@media (max-width: 640px) {
    .preset-modal {
        align-items: flex-end;
    }

    .preset-modal-content {
        width: 100%;
        max-width: 100%;
        max-height: 80vh;
        border-radius: 16px 16px 0 0;
        padding-bottom: calc(var(--spacing-lg) + var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 0px)));
        transform: translateY(100%);
    }

    .preset-modal.visible .preset-modal-content {
        transform: translateY(0);
    }
}

/* ==========================================================================
   Dynamic Refresh Status Indicator (Phase 2 - Debug)
   ========================================================================== */

.refresh-status {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    /* Positioned above the preset selector (65px + 34px safe area + ~45px for selector height) */
    bottom: calc(115px + var(--safe-area-inset-bottom, env(safe-area-inset-bottom, 34px)));
    z-index: var(--z-controls);

    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);

    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;

    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.refresh-status.visible {
    opacity: 1;
    visibility: visible;
}