/* Radio Uno 95.5 - Tema negro, blanco y rojo (cartel sobre pared roja) */
:root {
    --color-black: #0a0a0a;
    --color-red: #8B1A1A;
    --color-red-dark: #6B1414;
    --color-gray-dark: #1a1a1a;
    --color-gray: #333;
    --color-gray-mid: #666;
    --color-gray-light: #e0e0e0;
    --color-white: #ffffff;
    --color-text-dark: #1a1a1a;
    --shadow-soft: 0 2px 12px rgba(0, 0, 0, 0.25);
    --shadow-strong: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-red: 0 4px 20px rgba(139, 26, 26, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans 3', sans-serif;
    background: linear-gradient(180deg, var(--color-red) 0%, var(--color-red-dark) 30%, #1a0a0a 70%, #0a0a0a 100%);
    background-attachment: fixed;
    color: var(--color-gray-light);
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.02) 2px, rgba(255,255,255,0.02) 4px);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* Header estilo cartel Radio Uno (negro sobre rojo) */
.main-header {
    background: var(--color-black);
    border: 4px solid var(--color-red);
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
    margin-bottom: 25px;
    box-shadow: var(--shadow-strong), 0 0 0 2px rgba(139, 26, 26, 0.3);
    position: relative;
    overflow: hidden;
}

.header-sign {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.logo-text {
    text-align: center;
}

.main-title {
    font-family: 'Oswald', sans-serif;
    font-size: 2.2em;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 2px;
    line-height: 1.1;
}

.brand-name {
    font-family: 'Oswald', sans-serif;
    font-size: 3.2em;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-bottom: 2px;
    line-height: 1;
}

.frequency-badge {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    background: var(--color-white);
    padding: 8px 20px;
    border-radius: 25px;
    border: 3px solid var(--color-red);
    margin: 10px 0;
    color: var(--color-red);
}

.fm-label {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9em;
    font-weight: 700;
    letter-spacing: 1px;
}

.frequency {
    font-family: 'Oswald', sans-serif;
    font-size: 2em;
    font-weight: 700;
}

.mhz {
    font-family: 'Oswald', sans-serif;
    font-size: 0.9em;
    font-weight: 600;
    color: var(--color-red);
}

.location {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 1em;
    color: var(--color-gray-light);
    margin-top: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Tarjetas */
.section-card, .player-card {
    background: #1a1a1a;
    border: 3px solid var(--color-gray);
    border-radius: 12px;
    border-top-color: var(--color-red);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.section-card::before, .player-card::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    pointer-events: none;
}

.player-section {
    margin-bottom: 25px;
}

/* Estado y controles */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(255,255,255,0.06);
    border-radius: 8px;
    border: 2px dashed var(--color-gray);
    position: relative;
}

.status-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-gray-mid);
    box-shadow: 0 0 10px rgba(255,255,255,0.2);
    animation: pulse 2s infinite;
    position: absolute;
    left: 12px;
    top: 50%;
    margin-top: -7px;
    flex-shrink: 0;
    z-index: 2;
}

.status-dot.playing {
    background: var(--color-red);
    box-shadow: 0 0 10px rgba(139, 26, 26, 0.6);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

.status-text-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    margin-left: 25px;
}

.status-text-track {
    display: inline-flex;
    white-space: nowrap;
    align-items: center;
}

.status-text-item {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    color: var(--color-gray-light);
    font-size: 1.1em;
    white-space: nowrap;
    display: inline-block;
    line-height: 1.4;
    flex-shrink: 0;
}

.status-text-clone { margin-left: 80px; }

.status-text-track.scrolling {
    animation: scroll-marquee linear infinite;
    animation-duration: var(--scroll-duration, 15s);
    will-change: transform;
}

.status-text-track.scrolling:hover { animation-play-state: paused; }

@keyframes scroll-marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-1 * var(--scroll-distance, 0px))); }
}

.audio-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.control-btn {
    background: var(--color-gray-dark);
    border: 3px solid var(--color-gray);
    color: var(--color-white);
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: var(--shadow-soft);
    font-family: 'Source Sans 3', sans-serif;
}

.control-btn:hover {
    background: var(--color-gray);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.control-btn:active { transform: translateY(0); }
.control-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.play-pause-btn {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-red);
    border: 4px solid var(--color-red-dark);
    color: var(--color-white);
    font-size: 2.5em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-red);
    position: relative;
}

.play-pause-btn:hover {
    background: var(--color-red-dark);
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(139, 26, 26, 0.6);
}

.play-pause-btn:active { transform: scale(1.05); }

.btn-icon { display: inline-block; width: 20px; height: 20px; flex-shrink: 0; font-size: 1.2em; }
#playIcon, #pauseIcon { width: 32px; height: 32px; display: block; }

.play-btn-loading {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 32px;
    height: 32px;
}

.play-btn-loading-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: play-loading-bounce 0.6s ease-in-out infinite both;
}

.play-btn-loading-dot:nth-child(1) { animation-delay: 0s; }
.play-btn-loading-dot:nth-child(2) { animation-delay: 0.15s; }
.play-btn-loading-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes play-loading-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.btn-label { font-size: 0.9em; }

/* Calidad y compartir */
.quality-selector { margin-bottom: 20px; }

.section-title {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5em;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 15px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.quality-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.quality-btn {
    flex: 1;
    min-width: 160px;
    background: rgba(255,255,255,0.08);
    border: 3px solid var(--color-gray);
    color: var(--color-gray-light);
    padding: 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
    font-weight: 600;
    font-family: 'Source Sans 3', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    white-space: nowrap;
}

.quality-btn:hover {
    background: rgba(255,255,255,0.12);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.quality-btn.active {
    background: var(--color-red);
    border-color: var(--color-red);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(139, 26, 26, 0.5);
}

.quality-name { font-size: 1.1em; font-weight: 600; white-space: nowrap; }

.share-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
    margin-bottom: 4px;
}

.share-btn {
    flex: 1;
    min-width: 160px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 15px;
    background: var(--color-red);
    border: 3px solid var(--color-red-dark);
    border-radius: 10px;
    color: var(--color-white);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-red);
    white-space: nowrap;
}

.share-btn:hover {
    background: var(--color-red-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(139, 26, 26, 0.5);
}

.share-btn:active { transform: translateY(0); }
.share-btn-icon { flex-shrink: 0; }

.offline-controls {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px dashed var(--color-gray);
}

.volume-control {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px dashed var(--color-gray);
}

.volume-control.no-top-border { border-top: none; }

.icon-inline { display: inline-block; vertical-align: middle; flex-shrink: 0; }

.volume-label {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    color: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 10px;
    text-align: center;
    font-size: 1.1em;
    width: 100%;
}

.volume-container { display: flex; align-items: center; gap: 15px; }

#volumeSlider {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    border: 2px solid var(--color-gray);
}

#volumeSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-gray);
    box-shadow: var(--shadow-soft);
}

#volumeSlider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-gray);
    box-shadow: var(--shadow-soft);
}

#volumeValue {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    color: var(--color-gray-light);
    min-width: 50px;
    text-align: right;
}

/* Anuncios */
.advertisement-section { margin-bottom: 20px; }

.ad-card {
    background: var(--color-gray-dark);
    border: 4px solid var(--color-gray);
    text-align: center;
}

.ad-text {
    font-size: 1.2em;
    color: var(--color-gray-light);
    margin-bottom: 10px;
    font-weight: 600;
}

.ad-contact { font-size: 1em; color: var(--color-gray-mid); }

.contact-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid var(--color-gray-light);
    transition: all 0.3s ease;
}

.contact-link:hover { border-bottom-color: var(--color-white); }

/* Redes */
.social-section { margin-bottom: 20px; }

.social-links { display: flex; justify-content: center; gap: 15px; }

.social-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: var(--color-gray-dark);
    border: 3px solid var(--color-gray);
    border-radius: 10px;
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
    font-family: 'Source Sans 3', sans-serif;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.15);
    background: var(--color-gray);
}

.social-icon { width: 24px; height: 24px; flex-shrink: 0; stroke-width: 2; }

/* Footer */
.main-footer {
    background: var(--color-red);
    border: 3px solid var(--color-red-dark);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow-red);
    margin-top: 30px;
}

.footer-text {
    color: var(--color-gray-light);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 0.95em;
    margin-bottom: 8px;
}

.footer-text:last-of-type { margin-bottom: 15px; }

.install-btn {
    background: var(--color-white);
    border: 3px solid rgba(255,255,255,0.5);
    color: var(--color-red);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-family: 'Oswald', sans-serif;
    box-shadow: var(--shadow-soft);
}

.install-btn:hover {
    background: var(--color-gray-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,255,255,0.2);
}

/* Botones de estilo (abajo de todo) */
.style-buttons-wrap {
    margin-top: 24px;
    padding: 20px;
    background: rgba(0,0,0,0.35);
    border-radius: 12px;
    border: 2px dashed rgba(255,255,255,0.15);
    text-align: center;
}

.style-buttons-label {
    display: block;
    font-family: 'Oswald', sans-serif;
    font-size: 0.85em;
    font-weight: 600;
    color: var(--color-gray-light);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 14px;
    opacity: 0.9;
}

.style-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.style-buttons-wrap .style-btn {
    padding: 12px 22px;
    border-radius: 10px;
    font-family: 'Oswald', sans-serif;
    font-size: 1em;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.25s ease;
    text-transform: uppercase;
    -webkit-appearance: none;
    appearance: none;
}

.style-buttons-wrap .style-btn-1 {
    background: #8B1A1A;
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 14px rgba(139, 26, 26, 0.5);
}
.style-buttons-wrap .style-btn-1:hover {
    background: #6B1414;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(139, 26, 26, 0.6);
}

.style-buttons-wrap .style-btn-2 {
    background: linear-gradient(135deg, #c9a227, #e8c547);
    color: #1a1a1a;
    border: none;
    box-shadow: 0 4px 14px rgba(201, 162, 39, 0.4);
}
.style-buttons-wrap .style-btn-2:hover {
    background: linear-gradient(135deg, #e8c547, #f5d654);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 197, 71, 0.5);
}

.style-buttons-wrap .style-btn-3 {
    background: transparent;
    color: #8B1A1A;
    border: 3px solid #8B1A1A;
}
.style-buttons-wrap .style-btn-3:hover {
    background: #8B1A1A;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 26, 26, 0.5);
}

.style-buttons-wrap .style-btn-4 {
    background: linear-gradient(135deg, #8B1A1A 0%, #6B1414 50%, #1a0a0a 100%);
    color: #ffffff;
    border: 2px solid rgba(255,255,255,0.2);
}
.style-buttons-wrap .style-btn-4:hover {
    background: linear-gradient(135deg, #a01e1e 0%, #8B1A1A 50%, #2a1515 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(139, 26, 26, 0.5);
}

.style-buttons-wrap .style-btn-5 {
    background: #0a0a0a;
    color: #ffffff;
    border: 2px solid #333;
}
.style-buttons-wrap .style-btn-5:hover {
    background: #1a1a1a;
    border-color: #8B1A1A;
    color: #8B1A1A;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 26, 26, 0.3);
}

.style-buttons-wrap .style-btn-6 {
    background: #ffffff;
    color: #8B1A1A;
    border: 3px solid #e0e0e0;
}
.style-buttons-wrap .style-btn-6:hover {
    background: #e0e0e0;
    color: #6B1414;
    border-color: #8B1A1A;
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(255,255,255,0.25);
}

.dev-credit {
    margin-top: 48px;
    margin-bottom: 0;
    text-align: center;
    font-size: 0.8em;
    color: rgba(255,255,255,0.45);
    font-family: 'Source Sans 3', sans-serif;
}

/* Banner offline */
.offline-banner {
    background: var(--color-gray-dark);
    border: 4px solid var(--color-gray);
    border-radius: 12px;
    padding: 0;
    margin-bottom: 20px;
    box-shadow: var(--shadow-strong);
    animation: slideDown 0.4s ease-out;
    position: relative;
    overflow: hidden;
}

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

.offline-banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    position: relative;
}

.offline-banner-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    border: 3px solid var(--color-gray-light);
}

.offline-banner-text { flex: 1; color: var(--color-gray-light); }

.offline-banner-text strong {
    display: block;
    font-family: 'Oswald', sans-serif;
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--color-white);
}

.offline-banner-text p { margin: 0; font-size: 0.95em; opacity: 0.9; }

.offline-banner-btn {
    flex-shrink: 0;
    background: var(--color-white);
    border: 3px solid var(--color-gray);
    color: var(--color-black);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 700;
    font-family: 'Oswald', sans-serif;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    white-space: nowrap;
}

.offline-banner-btn:hover {
    background: var(--color-gray-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.offline-banner-btn:active { transform: translateY(0); }

.offline-banner-close {
    flex-shrink: 0;
    background: transparent;
    border: 2px solid var(--color-gray-light);
    color: var(--color-gray-light);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.offline-banner-close:hover {
    background: rgba(255,255,255,0.1);
    transform: rotate(90deg);
}

/* Modal */
.connection-error-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: #1a1a1a;
    border: 4px solid var(--color-gray);
    border-radius: 15px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-strong);
    z-index: 1;
    animation: slideUp 0.3s ease-out;
}

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

.modal-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-light);
    border: 3px solid var(--color-gray);
}

.modal-title {
    font-family: 'Oswald', sans-serif;
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-message {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 1.1em;
    color: var(--color-gray-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

.modal-buttons { display: flex; gap: 15px; flex-direction: column; }

.modal-btn {
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Oswald', sans-serif;
    border: 3px solid var(--color-gray);
    box-shadow: var(--shadow-soft);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-btn-primary {
    background: var(--color-black);
    color: var(--color-white);
}

.modal-btn-primary:hover {
    background: var(--color-gray-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.15);
}

.modal-btn-secondary {
    background: var(--color-gray-dark);
    color: var(--color-white);
    border-color: var(--color-white);
}

.modal-btn-secondary:hover {
    background: var(--color-gray);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.1);
}

.modal-btn:active { transform: translateY(0); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-card, .player-card { animation: fadeIn 0.5s ease-out; }

/* Responsive */
@media (max-width: 768px) {
    body { padding: 15px; }
    .main-title { font-size: 1.8em; }
    .brand-name { font-size: 2.6em; letter-spacing: 4px; }
    .frequency-display { font-size: 1.6em; }
    .frequency { font-size: 1.6em; }
    .quality-buttons { flex-direction: column; }
    .quality-btn { width: 100%; }
    .audio-controls { gap: 15px; }
    .play-pause-btn { width: 70px; height: 70px; font-size: 2em; }
    .control-btn { padding: 10px 15px; font-size: 0.9em; }
    .offline-banner-content { flex-wrap: wrap; gap: 10px; }
    .offline-banner-btn { width: 100%; padding: 10px 20px; font-size: 0.9em; }
}

@media (max-width: 480px) {
    .main-title { font-size: 1.5em; letter-spacing: 2px; }
    .brand-name { font-size: 2.2em; letter-spacing: 2px; }
    .section-card, .player-card { padding: 20px 15px; }
    .section-title { font-size: 1.3em; }
}