:root {
    --bg-color: #050b14;
    --card-bg: #0b1626;
    --text-primary: #e2f1ff;
    --text-secondary: #8ab4f8;
    --accent-glow: #ffffff;
    --border-color: #1a304d;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: monospace, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(10, 25, 47, 0.8);
}

/* Welcome Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 11, 20, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s ease;
}

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

.welcome-box {
    text-align: center;
    padding: 30px;
    max-width: 400px;
}

.welcome-box h1 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.welcome-box p {
    font-size: 0.95rem;
    color: #a0aec0;
    margin-bottom: 25px;
    line-height: 1.5;
}

/* Glowing Button Animation */
.glow-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    padding: 12px 30px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    animation: winterGlow 2s infinite alternate;
}

@keyframes winterGlow {
    0% {
        box-shadow: 0 0 5px rgba(226, 241, 255, 0.2);
        border-color: rgba(226, 241, 255, 0.4);
    }
    100% {
        box-shadow: 0 0 20px rgba(226, 241, 255, 0.8), 0 0 30px rgba(138, 180, 248, 0.6);
        border-color: var(--text-primary);
    }
}

.glow-btn:hover {
    background: var(--text-primary);
    color: var(--bg-color);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.logo {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.menu-container {
    position: relative;
}

.menu-trigger {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 5px;
}

.dropdown-content {
    position: absolute;
    right: 0;
    top: 35px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 180px;
    display: flex;
    flex-direction: column;
    z-index: 10;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}

.dropdown-content.hidden {
    display: none;
}

.dropdown-content a {
    color: var(--text-primary);
    padding: 10px 15px;
    text-decoration: none;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.dropdown-content a:hover {
    background: rgba(255,255,255,0.05);
}

.menu-version {
    padding: 10px 15px;
    font-size: 0.75rem;
    color: #64748b;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.tab-btn.active {
    background: var(--border-color);
    color: var(--text-secondary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Intro & Search */
.intro-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 15px;
}

.intro-box h2 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.intro-box p {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.4;
}

.search-box {
    margin-bottom: 15px;
}

.search-box input {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 10px;
    color: var(--text-primary);
    border-radius: 4px;
    outline: none;
}

/* Song Card */
.song-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 12px;
}

.song-title {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 4px;
}

.song-meta {
    font-size: 0.75rem;
    color: #64748b;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
}

.song-links {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}

.song-links a {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
}

.song-links a:hover {
    text-decoration: underline;
}

.lyrics-trigger-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 4px;
    width: 100%;
    transition: background 0.2s;
}

.lyrics-trigger-btn:hover {
    background: rgba(255,255,255,0.05);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 11, 20, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

.modal-content h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.modal-content pre {
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 0.85rem;
    color: #cbd5e1;
    line-height: 1.5;
}

/* Footer */
footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.75rem;
    color: #64748b;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

footer p + p {
    margin-top: 4px;
  }