/* Responsive Popup Styles for Mobile */
#wifi-settings-popup,
#bluetooth-settings-popup,
#cellular-settings-popup,
#albums-popup {
    position: fixed !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    background: linear-gradient(135deg, rgba(40,40,60,0.98) 80%, rgba(10,132,255,0.08) 100%);
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(10,132,255,0.22), 0 2px 12px rgba(0,0,0,0.18);
    padding: 36px 0 24px 0;
    z-index: 9999;
    color: #fff;
    text-align: center;
    min-width: 320px;
    max-width: 92vw;
    animation: floatIn 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    max-height: 90vh;
    touch-action: manipulation;
}
.wifi-popup-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.wifi-popup-content > div:first-child {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.wifi-settings-list {
    width: 240px;
    background: rgba(255,255,255,0.07);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(10,132,255,0.10);
    padding: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.wifi-setting-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    min-height: 36px;
    border-radius: 10px;
    transition: background 0.2s;
}
.wifi-setting-item:hover {
    background: rgba(10,132,255,0.08);
}
.wifi-setting-item i {
    font-size: 17px;
}
.wifi-setting-item button {
    font-size: 13px;
    color: #fff;
    background: #0a84ff;
    border: none;
    border-radius: 7px;
    padding: 3px 12px;
    cursor: pointer;
    font-weight: 500;
    box-shadow: 0 1px 4px rgba(10,132,255,0.10);
    transition: background 0.2s;
}
.wifi-setting-item button:hover {
    background: #005ecb;
}
.wifi-setting-item span {
    font-size: 13px;
}
/* Larger touch targets for close buttons */
#close-wifi-popup,
#close-bluetooth-popup,
#close-cellular-popup,
#close-albums-popup {
    margin-top: 22px;
    padding: 14px 40px;
    border-radius: 14px;
    border: none;
    background: #0a84ff;
    color: #fff;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(10,132,255,0.10);
    font-size: 17px;
    transition: background 0.2s;
    min-width: 120px;
    min-height: 44px;
    touch-action: manipulation;
}
#close-wifi-popup:hover,
#close-bluetooth-popup:hover,
#close-cellular-popup:hover,
#close-albums-popup:hover {
    background: #005ecb;
}
/* Sliders: easier to use on mobile */
input[type="range"].slider {
    height: 36px;
    width: 100%;
    touch-action: pan-x;
}
@media (max-width: 600px) {
    .slider-container {
        padding: 8px 0;
    }
    .slider-labels span {
        font-size: 15px;
    }
    .wifi-settings-list,
    .bluetooth-settings-list,
    .cellular-settings-list,
    .albums-list {
        width: 98vw;
        min-width: 0;
        max-width: 98vw;
        font-size: 16px;
        padding: 10px 0;
    }
    #wifi-settings-popup,
    #bluetooth-settings-popup,
    #cellular-settings-popup,
    #albums-popup {
        min-width: 0;
        max-width: 98vw;
        padding: 18px 0 12px 0;
        border-radius: 18px;
    }
    .module {
        min-width: 64px;
        min-height: 64px;
        font-size: 18px;
    }
    .music-player {
        min-width: 0;
        max-width: 98vw;
        padding: 8px;
    }
}
/* Bluetooth Settings Popup Styles */
#bluetooth-settings-popup {
    position: fixed !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) !important;
    background: linear-gradient(135deg, rgba(40,40,60,0.98) 80%, rgba(10,132,255,0.08) 100%);
    border-radius: 24px;
    box-shadow: 0 16px 48px rgba(10,132,255,0.22), 0 2px 12px rgba(0,0,0,0.18);
    padding: 36px 0 24px 0;
    z-index: 9999;
    color: #fff;
    text-align: center;
    min-width: 320px;
    max-width: 92vw;
    animation: floatIn 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.battery-icon {
    display: inline-flex;
    align-items: center;
    position: relative;
    width: 28px;
    height: 14px;
    margin-right: 2px;
}
.battery-body {
    width: 24px;
    height: 14px;
    border-radius: 7px;
    background: linear-gradient(90deg, #0a84ff 80%, #fff 100%);
    border: 2px solid #fff;
    box-shadow: 0 1px 4px rgba(10,132,255,0.12);
    position: relative;
}
.battery-cap {
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    position: absolute;
    right: -5px;
    top: 3px;
}
.battery-percent {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: transparent;
    pointer-events: none;
    z-index: 2;
    text-shadow: 0 1px 2px rgba(10,132,255,0.18);
    letter-spacing: 0.5px;
}
.battery-body {
    position: relative;
}
.battery-charging {
    color: #ffd700;
    font-size: 13px;
    margin-left: 2px;
    animation: battery-bounce 1s infinite;
}
@keyframes battery-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background: url('https://images.unsplash.com/photo-1620641788421-7a1c342ea42e?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2048&q=80') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    color: white;
}

.container {
    width: 100%;
    max-width: 375px;
    aspect-ratio: 9/19.5;
    perspective: 1000px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-center {
    background: rgba(40, 40, 40, 0.7);
    backdrop-filter: blur(20px);
    border-radius: 36px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 
                0 0 0 1px rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    animation: floatIn 0.6s cubic-bezier(0.15, 1.15, 0.6, 1) forwards;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 0 10px;
}

.time {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.status-icons {
    display: flex;
    gap: 12px;
    font-size: 14px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.large-modules {
    grid-column: span 2;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.module {
    background: linear-gradient(135deg, rgba(60, 60, 60, 0.7) 60%, rgba(10,132,255,0.08) 100%);
    border-radius: 20px;
    padding: 22px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: box-shadow 0.2s, background 0.2s, transform 0.2s, border 0.2s, opacity 0.3s, scale 0.3s;
    border: 1.5px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 6px 24px rgba(10,132,255,0.10), 0 2px 8px rgba(0,0,0,0.10), inset 0 1px 8px rgba(255,255,255,0.08);
    opacity: 1;
    scale: 1;
}
.module.hide {
    opacity: 0;
    scale: 0.8;
    pointer-events: none;
}
.module:hover {
    background: linear-gradient(135deg, rgba(10,132,255,0.18) 0%, rgba(60, 60, 60, 0.7) 100%);
    box-shadow: 0 12px 32px rgba(10,132,255,0.18), 0 4px 16px rgba(0,0,0,0.14), inset 0 2px 12px rgba(10,132,255,0.10);
    border: 1.5px solid rgba(10,132,255,0.32);
    transform: scale(1.04);
}
.module:active {
    background: linear-gradient(135deg, rgba(10,132,255,0.28) 0%, rgba(60, 60, 60, 0.7) 100%);
    box-shadow: 0 4px 16px rgba(10,132,255,0.22), 0 2px 8px rgba(0,0,0,0.14), inset 0 2px 12px rgba(10,132,255,0.18);
    border: 1.5px solid rgba(10,132,255,0.42);
    transform: scale(0.98);
}
.module:hover {
    background: rgba(10, 132, 255, 0.12);
    box-shadow: 0 8px 32px rgba(10,132,255,0.12);
    border-color: rgba(10,132,255,0.22);
    transform: scale(1.04);
}

.module:active {
    background: rgba(10, 132, 255, 0.18);
    box-shadow: 0 4px 16px rgba(10,132,255,0.18);
    border-color: rgba(10,132,255,0.32);
    transform: scale(0.98);
}

.module.large {
    grid-column: span 1;
    aspect-ratio: 1.5/1;
}

.module.small {
    aspect-ratio: 1/1;
}

.module-icon {
    font-size: 28px;
    margin-bottom: 12px;
    transition: transform 0.2s, color 0.2s;
    color: #fff;
}
.module:hover .module-icon {
    color: #0a84ff;
    transform: scale(1.12);
}

.module-label {
    font-size: 14px;
    font-weight: 500;
    margin-top: 4px;
}

.module-status {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

/* Active state - blue for most modules */
.module.active:not([data-module="airplane"]) {
    background: rgba(10, 132, 255, 0.3);
}

.module.active:not([data-module="airplane"])::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    animation: pulse 1.5s infinite;
}

/* Special styling for airplane mode */
.module[data-module="airplane"].active {
    background: rgba(255, 204, 0, 0.3);
}

/* Special styling for cellular - iOS green when active */
.module[data-module="cellular"].active {
    background: rgba(52, 199, 89, 0.35);
}

.slider-container {
    background: rgba(60, 60, 60, 0.7);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    border: 1.5px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 2px 12px rgba(0,0,0,0.10);
    transition: box-shadow 0.2s, border-color 0.2s;
}
.slider-container:hover {
    box-shadow: 0 4px 24px rgba(10,132,255,0.10);
    border-color: rgba(10,132,255,0.22);
}

.slider-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    gap: 10px;
}

.slider-icon {
    font-size: 24px;
    margin-right: 10px;
    width: 32px;
    text-align: center;
    color: #fff;
    transition: color 0.2s, transform 0.2s;
}
.slider-container:hover .slider-icon {
    color: #0a84ff;
    transform: scale(1.12);
}

.slider {
    flex: 1;
    height: 32px;
    -webkit-appearance: none;
    appearance: none;
    background: linear-gradient(var(--fill-color, rgba(255, 255, 255, 0.95)), var(--fill-color, rgba(255, 255, 255, 0.95))) no-repeat, rgba(255, 255, 255, 0.18);
    background-size: var(--val, 50%) 100%, 100% 100%;
    background-position: left center, left center;
    outline: none;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(10,132,255,0.08), inset 0 1px 0 rgba(255,255,255,0.25), inset 0 -1px 0 rgba(0,0,0,0.08);
    transition: background-size 180ms ease, box-shadow 180ms ease, border 0.2s;
    border: 1.5px solid rgba(255,255,255,0.10);
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 76px;
    height: 42px;
    border-radius: 22px;
    background: linear-gradient(180deg, #ffffff 0%, #f2f4f6 100%);
    border: 1px solid rgba(0,0,0,0.08);
    cursor: pointer;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.7),
        inset 0 -1px 0 rgba(0,0,0,0.06),
        0 7px 18px rgba(0, 0, 0, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    margin-top: -7px; /* center oversized thumb above thinner track */
}

.slider::-webkit-slider-thumb:hover {
    transform: translateY(-1px);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.75),
        inset 0 -1px 0 rgba(0,0,0,0.07),
        0 10px 20px rgba(0, 0, 0, 0.34);
}

.slider:active::-webkit-slider-thumb {
    transform: translateY(0);
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.6),
        inset 0 -1px 0 rgba(0,0,0,0.08),
        0 8px 18px rgba(0, 0, 0, 0.32);
}

/* Per-slider thumb accents and icons */
#brightness-slider { --fill-color: rgba(255, 214, 10, 0.9); }
#volume-slider { --fill-color: rgba(10, 132, 255, 0.9); }

/* Sun icon */
#brightness-slider::-webkit-slider-thumb {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23999'><circle cx='12' cy='12' r='8'/></svg>");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.7),
        inset 0 -1px 0 rgba(0,0,0,0.06),
        0 6px 14px rgba(0, 0, 0, 0.28),
        0 0 0 2px rgba(255, 214, 10, 0.25);
}

/* Speaker icon */
#volume-slider::-webkit-slider-thumb {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23999'><path d='M4 9h4l4-3v12l-4-3H4z'/></svg>");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 18px 18px;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.7),
        inset 0 -1px 0 rgba(0,0,0,0.06),
        0 6px 14px rgba(0, 0, 0, 0.28),
        0 0 0 2px rgba(10, 132, 255, 0.25);
}

.slider:focus-visible {
    box-shadow: 0 0 0 3px rgba(10,132,255,0.18), 0 0 0 6px rgba(10,132,255,0.08), 0 2px 8px rgba(10,132,255,0.12);
    border-color: rgba(10,132,255,0.32);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

/* Subtle per-slider tints */
#brightness-slider { --fill-color: rgba(255, 214, 10, 0.9); }
#volume-slider { --fill-color: rgba(10, 132, 255, 0.9); }

.music-player {
    background: rgba(60, 60, 60, 0.6);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 16px;
}

.album-art {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    background: linear-gradient(135deg, #8e2de2, #4a00e0);
    margin-right: 16px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Equalizer bars inside album art */
.album-art .eq {
    position: absolute;
    bottom: 6px;
    left: 6px;
    right: 6px;
    height: 12px;
    display: flex;
    align-items: flex-end;
    gap: 3px;
}
.album-art .eq span {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 2px;
    transform-origin: bottom;
    opacity: 0.9;
    filter: drop-shadow(0 0 2px rgba(255,255,255,0.6));
    animation: eqPulse 900ms ease-in-out infinite;
    animation-play-state: paused;
}
.album-art .eq span:nth-child(1) { animation-delay: 0ms; }
.album-art .eq span:nth-child(2) { animation-delay: 120ms; }
.album-art .eq span:nth-child(3) { animation-delay: 240ms; }
.album-art .eq span:nth-child(4) { animation-delay: 360ms; }
.album-art .eq span:nth-child(5) { animation-delay: 480ms; }

/* Neon glow when playing */
.music-player.playing .album-art {
    box-shadow: 0 0 12px rgba(142,45,226,0.6), 0 0 24px rgba(74,0,224,0.4);
    filter: hue-rotate(0deg);
    animation: hueCycle 6s linear infinite;
}
.music-player.playing .album-art::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(120px 60px at 20% 80%, rgba(255,255,255,0.25), transparent 60%);
    pointer-events: none;
}
.album-art .wave {
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 0%, rgba(255,255,255,0.08) 40%, rgba(255,255,255,0.22) 50%, rgba(255,255,255,0.08) 60%, transparent 100%);
    transform: translateX(-120%);
    opacity: 0;
}
.music-player.playing .album-art .wave {
    opacity: 1;
    animation: sweep 2.8s ease-in-out infinite;
}
.music-player.playing .album-art .eq span {
    animation-play-state: running;
}

.album-art::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
}

.music-info {
    flex: 1;
}

.song-title {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 16px;
    letter-spacing: -0.3px;
}

.artist {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

.music-controls {
    display: flex;
    gap: 20px;
}

.music-controls i {
    font-size: 22px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    border: 1.5px solid rgba(255,255,255,0.12);
    color: #fff;
}

.music-controls i:hover {
    background: rgba(10,132,255,0.18);
    box-shadow: 0 4px 16px rgba(10,132,255,0.18);
    color: #0a84ff;
    border-color: rgba(10,132,255,0.28);
    transform: scale(1.08);
}

.music-controls i:active {
    background: rgba(10,132,255,0.28);
    color: #fff;
    transform: scale(0.95);
}

.footer {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.home-indicator {
    width: 134px;
    height: 5px;
    background: white;
    border-radius: 3px;
    opacity: 0.6;
}

/* Animations */
@keyframes floatIn {
    0% {
        opacity: 0;
        transform: translateY(50px) rotateX(10deg) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0) scale(1);
    }
}

@keyframes fiveg-pop {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(-8px);
    }
    60% {
        opacity: 1;
        transform: scale(1.15) translateY(0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

#status-5g {
    animation: fiveg-pop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes pulse {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}

@keyframes eqPulse {
    0% { height: 4px; }
    25% { height: 12px; }
    50% { height: 7px; }
    75% { height: 14px; }
    100% { height: 4px; }
}

@keyframes sweep {
    0% { transform: translateX(-120%) skewX(-8deg); }
    50% { transform: translateX(0%) skewX(-8deg); }
    100% { transform: translateX(120%) skewX(-8deg); }
}

@keyframes hueCycle {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.ripple {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(2.5);
        opacity: 0;
    }
}

.connection-line {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    transform-origin: 0 0;
    pointer-events: none;
    z-index: -1;
}