/**
 * GZP HLS Player - Beautiful Radio Design
 *
 * Ground Zero Plus Color Scheme
 * - Primary Background: #1a1a1a (Dark)
 * - Accent: #D4A418 (Gold)
 * - Text: #FFFFFF (White)
 *
 * @package GZP_HLS_Player
 */

/* ============================================
   CSS Custom Properties
   Scoped to .gzp-player to avoid polluting global namespace
   ============================================ */
.gzp-player {
    --gzp-bg-primary: #0d0d0d;
    --gzp-bg-secondary: #141414;
    --gzp-bg-button: #1a1a1a;
    --gzp-bg-button-hover: #d4a418;
    --gzp-accent: #d4a418;
    --gzp-accent-glow: rgba(212, 164, 24, 0.5);
    --gzp-accent-subtle: rgba(212, 164, 24, 0.15);
    --gzp-text-primary: #ffffff;
    --gzp-text-secondary: #a0a0a0;
    --gzp-text-muted: #666666;
    --gzp-text-on-accent: #0a0a0a;
    --gzp-track: #2a2a2a;
    --gzp-track-hover: #333333;
    --gzp-buffer: rgba(212, 164, 24, 0.25);
    --gzp-border: rgba(255, 255, 255, 0.08);
    --gzp-border-hover: rgba(212, 164, 24, 0.4);
    --gzp-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    --gzp-shadow-glow: 0 0 20px var(--gzp-accent-glow);
    --gzp-radius: 16px;
    --gzp-radius-btn: 8px;
    --gzp-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --gzp-transition-fast: 0.15s ease;
}

/* ============================================
   Player Container - Full Width
   ============================================ */
.gzp-player {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: linear-gradient(180deg, var(--gzp-bg-secondary) 0%, var(--gzp-bg-primary) 100%);
    border: 1px solid var(--gzp-border);
    border-radius: var(--gzp-radius);
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
    color: var(--gzp-text-primary);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    box-shadow: var(--gzp-shadow);
    overflow: hidden;
    position: relative;
}

.gzp-player *,
.gzp-player *::before,
.gzp-player *::after {
    box-sizing: border-box;
}

/* Subtle noise texture overlay */
.gzp-player::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 0;
}

.gzp-player > * {
    position: relative;
    z-index: 1;
}

/* ============================================
   Progress Bar Section - FULL WIDTH
   ============================================ */
.gzp-progress-container {
    padding: 20px 24px 16px;
    background: var(--gzp-bg-secondary);
    border-bottom: 1px solid var(--gzp-border);
}

.gzp-player-progress {
    width: 100%;
    height: 40px;
    display: flex;
    align-items: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.gzp-player-progress-track {
    width: 100%;
    height: 8px;
    background: var(--gzp-track);
    border-radius: 4px;
    position: relative;
    overflow: visible;
    transition: height var(--gzp-transition-fast), background var(--gzp-transition-fast);
}

.gzp-player-progress:hover .gzp-player-progress-track,
.gzp-player-progress:focus .gzp-player-progress-track {
    height: 12px;
    background: var(--gzp-track-hover);
}

.gzp-player-progress-buffer {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--gzp-buffer);
    width: 0;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.gzp-player-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--gzp-accent) 0%, #e8b51f 100%);
    width: 0;
    border-radius: 4px;
    transition: width 0.1s linear;
    box-shadow: 0 0 12px var(--gzp-accent-glow);
}

.gzp-player-progress:hover .gzp-player-progress-fill {
    box-shadow: 0 0 20px var(--gzp-accent-glow), 0 0 6px var(--gzp-accent);
}

/* Progress Handle */
.gzp-player-progress-handle {
    position: absolute;
    top: 50%;
    left: 0;
    width: 18px;
    height: 18px;
    background: var(--gzp-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform var(--gzp-transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 0 3px rgba(212, 164, 24, 0.3);
    pointer-events: none;
}

.gzp-player-progress:hover .gzp-player-progress-handle,
.gzp-player-progress:focus .gzp-player-progress-handle {
    transform: translate(-50%, -50%) scale(1);
}

.gzp-player-progress:focus {
    outline: none;
}

.gzp-player-progress:focus-visible .gzp-player-progress-track {
    box-shadow: 0 0 0 2px var(--gzp-accent);
}

/* Time Display */
.gzp-player-times {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.03em;
}

.gzp-player-current {
    color: var(--gzp-text-primary);
}

.gzp-player-duration {
    color: var(--gzp-text-secondary);
}

/* ============================================
   Info Section (Title/Artist)
   ============================================ */
.gzp-player-info {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px 20px;
}

.gzp-player-artwork {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--gzp-bg-button);
    border: 1px solid var(--gzp-border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.gzp-player-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gzp-player.is-playing .gzp-player-artwork img {
    transform: scale(1.05);
}

.gzp-player-meta {
    flex: 1;
    min-width: 0;
}

.gzp-player-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--gzp-text-primary);
    line-height: 1.3;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.gzp-player-artist {
    font-size: 15px;
    color: var(--gzp-accent);
    margin-top: 4px;
    font-weight: 600;
}

/* ============================================
   Transport Controls - Rectangle Buttons
   ============================================ */
.gzp-player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 0 24px 24px;
}

/* Base Button Styles - Rectangle with Rounded Edges */
.gzp-player .gzp-player-btn {
    width: 64px !important;
    height: 52px !important;
    background: var(--gzp-bg-button) !important;
    background-color: var(--gzp-bg-button) !important;
    border: 1px solid var(--gzp-border) !important;
    color: var(--gzp-text-primary) !important;
    cursor: pointer;
    padding: 0 !important;
    border-radius: var(--gzp-radius-btn) !important;
    transition: all var(--gzp-transition);
    display: flex !important;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.gzp-player-btn:focus {
    outline: none;
}

.gzp-player-btn:focus-visible {
    box-shadow: 0 0 0 3px var(--gzp-accent);
}

.gzp-player-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.gzp-player-btn svg {
    display: block;
    width: 26px;
    height: 26px;
}

/* All Button Icons - White */
.gzp-player .gzp-player-btn svg {
    color: var(--gzp-text-primary) !important;
    fill: var(--gzp-text-primary) !important;
}

/* Hover State - Yellow Background, Dark Icons */
.gzp-player .gzp-player-btn:hover:not(:disabled) {
    background: var(--gzp-bg-button-hover) !important;
    background-color: var(--gzp-bg-button-hover) !important;
    border-color: var(--gzp-bg-button-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 164, 24, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.gzp-player .gzp-player-btn:hover:not(:disabled) svg {
    color: var(--gzp-text-on-accent) !important;
    fill: var(--gzp-text-on-accent) !important;
}

.gzp-player-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Play Button - Slightly Wider */
.gzp-player .gzp-player-play {
    width: 72px !important;
}

.gzp-player-play .gzp-icon-play {
    margin-left: 3px; /* Visual centering for play triangle */
}

/* Play/Pause Icon Toggle */
.gzp-player-play .gzp-icon-pause {
    display: none;
}

.gzp-player.is-playing .gzp-player-play .gzp-icon-play {
    display: none;
}

.gzp-player.is-playing .gzp-player-play .gzp-icon-pause {
    display: block;
    margin-left: 0;
}

/* ============================================
   Status Messages
   ============================================ */
.gzp-player-status {
    padding: 0 24px;
    font-size: 13px;
    min-height: 0;
    overflow: hidden;
    transition: all var(--gzp-transition);
}

.gzp-player-loading,
.gzp-player-error {
    display: none;
    padding: 8px 0 16px;
}

.gzp-player-loading {
    color: var(--gzp-text-muted);
    animation: gzp-pulse 1.5s ease-in-out infinite;
}

.gzp-player-error {
    color: #ef4444;
}

.gzp-player.is-loading .gzp-player-loading {
    display: block;
}

.gzp-player.has-error .gzp-player-error {
    display: block;
}

@keyframes gzp-pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ============================================
   Playing State Enhancements
   ============================================ */
.gzp-player.is-playing {
    border-color: var(--gzp-border-hover);
}

.gzp-player.is-playing::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--gzp-radius);
    background: linear-gradient(135deg, var(--gzp-accent-glow), transparent, var(--gzp-accent-glow));
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 480px) {
    .gzp-player {
        max-width: 100%;
    }

    .gzp-progress-container {
        padding: 16px 16px 12px;
    }

    .gzp-player-info {
        padding: 12px 16px 16px;
        gap: 12px;
    }

    .gzp-player-controls {
        padding: 0 16px 20px;
        gap: 12px;
    }

    .gzp-player-artwork {
        width: 52px;
        height: 52px;
    }

    .gzp-player .gzp-player-btn {
        width: 56px !important;
        height: 46px !important;
        border-radius: 6px !important;
    }

    .gzp-player .gzp-player-play {
        width: 64px !important;
    }

    .gzp-player-btn svg {
        width: 22px;
        height: 22px;
    }

    .gzp-player-title {
        font-size: 16px;
    }

    .gzp-player-artist {
        font-size: 14px;
    }
}

/* ============================================
   Dark Mode / High Contrast Support
   ============================================ */
@media (prefers-contrast: high) {
    .gzp-player {
        border-color: var(--gzp-accent);
    }

    .gzp-player-progress-track {
        background: #333;
    }

    .gzp-player .gzp-player-btn {
        border-color: var(--gzp-text-secondary) !important;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .gzp-player,
    .gzp-player *,
    .gzp-player *::before,
    .gzp-player *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}