/* Container & Card */
.card {
    border-radius: var(--radius-lg) !important;
    border: 1px solid var(--player-border);
    box-shadow: var(--shadow-xl) !important;
    position: relative;
    overflow: hidden;
}

.player-hub {
    position: relative;
    z-index: 1;
}

/* Blurred Background Effect */
.player-blur-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: blur(40px) brightness(0.9);
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.fw-800 {
    font-weight: 800;
}

/* Artwork Section */
.artwork-section {
    background: rgba(241, 245, 249, 0.5);
    overflow: hidden;
}

.artwork-container {
    position: relative;
    cursor: pointer;
    width: 100%;
    min-width: 256px;
    max-width: 384px;
    aspect-ratio: 1/1;
    transition: var(--transition);
    border-radius: var(--radius-md);
    display: block;
}

.main-artwork,
.artwork-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.artwork-placeholder {
    background: white;
    border: 2px dashed var(--player-border);
}

.artwork-container:hover {
    transform: scale(1.03) translateY(-5px);
}

.artwork-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--radius-md);
    color: white;
    font-size: 2rem;
}

.artwork-container:hover .artwork-overlay {
    opacity: 1;
}

/* Controls Section */
.controls-section {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
}

.player-info h1 {
    font-size: 2rem;
}

.btn-primary-modern {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--player-primary);
    color: white;
    border: 2px solid var(--player-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
}

.btn-primary-modern:hover {
    background-color: white !important;
    color: var(--player-primary) !important;
    transform: scale(1.1);
    border-color: var(--player-primary);
}

.btn-primary-modern:active {
    transform: scale(0.95);
}

.btn-control-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: none;
    font-size: 1.1rem;
}

.btn-control-circle.secondary {
    background-color: #f1f5f9;
    color: var(--player-text-muted);
}

.btn-control-circle.secondary:hover {
    background-color: var(--player-primary);
    color: white;
    transform: scale(1.1);
}

.btn-control-outline {
    height: 48px;
    border-radius: var(--radius-full);
    border: 1px solid var(--player-border);
    background: transparent;
    color: var(--player-text);
    padding: 0 20px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-control-outline:hover {
    background: var(--player-bg-alt);
    border-color: var(--player-primary);
    color: var(--player-primary);
}

.btn-control-outline.active {
    background: var(--player-primary);
    color: white;
    border-color: var(--player-primary);
}

/* Playback Controls Row */
.playback-controls-row {
    margin-top: 1rem;
}

.timeline-group {
    flex-grow: 1;
}

.player-timeline-row {
    width: 100%;
}

/* Range/Slider Modernizing (Enhanced/Filled) */
.modern-range, .volume-range-modern {
    cursor: pointer;
    height: 24px; /* Increased click/touch area */
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    position: relative;
    z-index: 5; /* Above everything */
    width: 100%;
    margin: 0;
    outline: none;
}

/* Strip native track backgrounds */
.modern-range::-webkit-slider-runnable-track,
.volume-range-modern::-webkit-slider-runnable-track {
    background: transparent;
    border: none;
}

.modern-range::-moz-range-track,
.volume-range-modern::-moz-range-track {
    background: transparent;
    border: none;
}

/* Custom visual track behind the input */
.seek-wrapper::before,
.volume-slider-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 4px;
    background: #e2e8f0; /* Clear light-gray track */
    border-radius: var(--radius-full);
    transform: translateY(-50%);
    z-index: 1; /* Lowest layer */
    transition: var(--transition);
}

.seek-wrapper:hover::before,
.volume-slider-wrapper:hover::before {
    background: #cbd5e1;
    height: 6px;
}

/* Webkit Thumbs */
.modern-range::-webkit-slider-thumb, 
.volume-range-modern::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: white;
    border: 2px solid var(--player-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: scale(0.5);
    margin-top: 0;
}

.volume-range-modern::-webkit-slider-thumb {
    border-color: var(--player-primary);
}

.seek-wrapper:hover .modern-range::-webkit-slider-thumb,
.volume-slider-wrapper:hover .volume-range-modern::-webkit-slider-thumb,
.modern-range:active::-webkit-slider-thumb,
.volume-range-modern:active::-webkit-slider-thumb {
    opacity: 1;
    transform: scale(1.2);
}

/* Firefox Thumbs */
.modern-range::-moz-range-thumb,
.volume-range-modern::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: white;
    border: 2px solid var(--player-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: scale(0.5);
    border: none;
}

.volume-range-modern::-moz-range-thumb {
    border: 2px solid var(--player-text-muted);
}

.seek-wrapper:hover .modern-range::-moz-range-thumb,
.volume-slider-wrapper:hover .volume-range-modern::-moz-range-thumb,
.modern-range:active::-moz-range-thumb,
.volume-range-modern:active::-moz-range-thumb {
    opacity: 1;
    transform: scale(1.2);
}

/* Track progress fill */
.range-track-fill {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 0;
    height: 6px;
    background: var(--player-primary) !important;
    border-radius: var(--radius-full);
    z-index: 2; /* Stays between ::before(1) and input(5) */
    pointer-events: none;
    transition: width 0.1s linear, height 0.3s ease;
}

.seek-wrapper:hover .range-track-fill,
.volume-slider-wrapper:hover .range-track-fill {
    height: 8px; /* Grow on hover */
}

[dir="rtl"] .range-track-fill,
[dir="rtl"] .volume-track-fill {
    left: auto;
    right: 0;
}

.volume-slider-wrapper {
    position: relative;
    height: 24px;
    display: flex;
    align-items: center;
}

.volume-range-modern {
    width: 100px;
}

/* Form Styles */
.modern-select {
    border-radius: var(--radius-md);
    padding: 0.8rem 1.2rem;
    background-color: var(--player-bg-alt);
    border: 1px solid var(--player-border);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
}

/* Accordion/Navigator Enhancement */
.accordion-button {
    font-size: 1.3rem !important;
    /* Bigger book name */
    font-weight: 700 !important;
}

.badge-chapter {
    background-color: var(--player-bg);
    border: 1px solid var(--player-border);
    color: var(--player-text);
    font-weight: 700;
    font-size: 1.1rem;
    /* Bigger chapter number */
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px !important;
}

.badge-chapter:hover {
    background-color: var(--player-bg-alt);
    border-color: var(--player-primary);
    color: var(--player-primary);
}

.badge-chapter.active {
    background-color: var(--player-primary);
    border-color: var(--player-primary);
    color: white;
    box-shadow: 0 4px 10px rgba(43, 92, 166, 0.3);
}

/* Lightbox Modern */
.lightbox-modern {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.lightbox-modern.active {
    display: flex;
    opacity: 1;
}

.lightbox-inner {
    max-width: 600px;
    width: 100%;
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox-modern.active .lightbox-inner {
    transform: scale(1);
}

.lightbox-img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1;
}

.lightbox-close:hover {
    transform: rotate(90deg) scale(1.1);
    background: #f1f5f9;
}

/* RTL Support */
[dir="rtl"] .volume-group {
    flex-direction: row-reverse;
}

/* Volume Popover */
.volume-popover-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.volume-popover-panel {
    display: none;
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border-radius: 2rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    padding: 1rem 0.75rem;
    z-index: 100;
    align-items: center;
    justify-content: center;
    min-width: 44px;
}

.volume-popover-panel.open {
    display: flex;
}

/* Hover open on non-touch devices */
@media (hover: hover) {
    .volume-popover-wrap:hover .volume-popover-panel {
        display: flex;
    }
}

.volume-popover-panel .volume-slider-wrapper {
    writing-mode: vertical-lr;
    direction: rtl;
    height: 100px;
    width: 24px;
    position: relative;
}

.volume-popover-panel .volume-range-modern {
    writing-mode: vertical-lr;
    direction: rtl;
    width: 24px;
    height: 100px;
    cursor: pointer;
    -webkit-appearance: slider-vertical;
    appearance: slider-vertical;
}

.volume-popover-panel .range-track-fill {
    display: none; /* vertical fill is complex; skip for simplicity */
}

[dir="rtl"] .volume-popover-panel {
    left: auto;
    right: 50%;
    transform: translateX(50%);
}

[dir="rtl"] .play-icon {
    transform: scaleX(-1);
}

/* Responsive Adjustments */
@media (max-width: 991.98px) {
    .player-row-bar {
        flex-direction: column-reverse;
        align-items: stretch;
        gap: 1rem;
    }

    .btn-primary-modern {
        width: 100%;
        height: 56px;
        border-radius: var(--radius-md);
    }

/*    .main-artwork {
        max-width: 280px;
    }*/
}