/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'MiSans', 'Noto Sans SC', sans-serif;
    background: radial-gradient(circle at center, #1a1a2e 0%, #000000 100%);
    color: #ffffff;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Online User Count */
#online-count-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 12px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

#online-count-container.collapsed {
    padding: 8px;
    background: rgba(0, 0, 0, 0.5);
}

#online-details {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.3s ease, width 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
}

#online-count-container.collapsed #online-details {
    width: 0;
    opacity: 0;
    margin: 0;
}

.control-btn {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    padding: 10px;
    border-radius: 50%;
    backdrop-filter: blur(5px);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover,
#toggle-online-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: scale(1.05);
}

.icon-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 50%;
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .mobile-hide {
        display: none;
    }
}

.dot {
    width: 8px;
    height: 8px;
    background-color: #4ade80;
    /* Green for online */
    border-radius: 50%;
    box-shadow: 0 0 10px #4ade80;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
    }
}

/* Countdown Container */
#countdown-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: opacity 1s ease-in-out;
}

/* Year Animation Styles */
.year-container {
    position: relative;
    height: 160px;
    /* Increased height to prevent cutting off */
    /* overflow: hidden; Removed hidden to ensure glow is visible, or keep it if layout breaks. Let's keep it but larger. */
    overflow: visible;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    z-index: 20;
    /* Ensure on top */
}

.year {
    font-size: 8rem;
    font-weight: 700;
    line-height: 1;
    color: #e2e8f0;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    position: absolute;
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.year.old {
    transform: translateY(0) scale(1);
    opacity: 1;
    filter: blur(0);
}

.year.new {
    transform: translateY(100%) scale(0.8);
    opacity: 0;
    filter: blur(10px);
    color: #fbbf24;
    /* Gold for the new year */
    text-shadow: 0 0 30px rgba(251, 191, 36, 0.4);
}

/* State: Switched */
.year-container.switched .year.old {
    transform: translateY(-150%) rotateX(45deg);
    opacity: 0;
    filter: blur(10px);
}

.year-container.switched .year.new {
    transform: translateY(0) scale(1.1);
    opacity: 1;
    filter: blur(0);
}

/* Timer Styles */
#timer {
    display: flex;
    gap: 1.5rem;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    min-width: 100px;
}

.time-box span {
    display: block;
}

.time-box span:first-child {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.time-box .label {
    font-size: 1rem;
    margin-top: 0.5rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
}

/* Hidden Message */
.hidden {
    display: none;
    opacity: 0;
}

#message {
    font-size: 5rem;
    font-weight: 700;
    color: #fbbf24;
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.6);
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(251, 191, 36, 0.6);
    }

    to {
        text-shadow: 0 0 30px rgba(251, 191, 36, 1), 0 0 20px rgba(255, 255, 255, 0.5);
    }
}

/* Fireworks Canvas */
#fireworks-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    /* Behind content mostly, but text is strictly z-index 10 */
    pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 {
        font-size: 1.5rem;
    }

    .year {
        font-size: 4rem;
        /* Smaller font for mobile */
    }

    #timer {
        gap: 0.8rem;
    }

    .time-box {
        padding: 0.8rem 1rem;
        min-width: 70px;
    }

    .time-box span:first-child {
        font-size: 2rem;
    }

    .time-box .label {
        font-size: 0.8rem;
    }

    #message {
        font-size: 3rem;
    }
}

/* Mobile Landscape Optimization */
@media (max-height: 500px) and (orientation: landscape) {
    .year-container {
        height: 100px;
        margin-bottom: 0.5rem;
    }

    .year {
        font-size: 3.5rem;
    }

    #countdown-container {
        gap: 0.5rem;
    }

    .time-box {
        padding: 0.5rem 1rem;
        min-width: 60px;
    }

    .time-box span:first-child {
        font-size: 1.8rem;
    }

    .time-box .label {
        font-size: 0.7rem;
    }

    #online-count-container {
        transform: scale(0.8);
        transform-origin: top right;
        top: 10px;
        right: 10px;
    }

    .control-btn {
        transform: scale(0.8);
        transform-origin: top left;
        top: 10px;
        left: 10px;
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    display: none;
}

.modal-content {
    background: rgba(30, 30, 40, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.modal-subtitle,
.modal-desc {
    color: #a0a0b0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Input Group */
.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.input-group input {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 10px 15px;
    color: #fff;
    outline: none;
    transition: all 0.3s;
}

.input-group input:focus {
    border-color: #fbbf24;
    background: rgba(255, 255, 255, 0.15);
}

#music-search-btn {
    background: #fbbf24;
    color: #000;
    border: none;
    border-radius: 10px;
    padding: 0 20px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

#music-search-btn:active {
    transform: scale(0.95);
}

/* Music List */
.music-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 1.5rem;
    display: grid;
    gap: 10px;
}

.music-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
}

.music-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.music-item img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
}

.music-info {
    flex: 1;
    overflow: hidden;
}

.music-title {
    font-weight: bold;
    font-size: 0.9rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.music-artist {
    font-size: 0.8rem;
    color: #a0a0b0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Climax Config */
.selected-song-preview {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 191, 36, 0.3);
}

.selected-song-preview img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.selected-song-preview .song-info {
    text-align: left;
    display: flex;
    flex-direction: column;
}

#selected-title {
    font-weight: bold;
    color: #fbbf24;
}

#selected-artist {
    font-size: 0.9rem;
    color: #ccc;
}

.time-input-group {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.time-input-group input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    width: 80px;
    padding: 10px;
    color: #fff;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.time-input-group span {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

.hint {
    font-size: 0.8rem;
    color: #666;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.primary-btn {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #000;
    border: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
    transition: all 0.2s;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.5);
}

.secondary-btn,
.close-modal-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-btn:hover,
.close-modal-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    z-index: 2000;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInOut 3s forwards;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translate(-50%, 20px);
    }

    10% {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    90% {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, -20px);
    }
}