:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    background-image: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

header {
    text-align: center;
}

header h1 {
    font-weight: 800;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.search-box {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

input {
    width: 100%;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(15, 23, 42, 0.6);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: var(--accent);
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.1s ease;
}

button:hover {
    background: var(--accent-hover);
}

button:active {
    transform: scale(0.98);
}

#status-message {
    text-align: center;
    color: var(--text-secondary);
    font-weight: 600;
}

#status-message.error {
    color: #ef4444;
}

#lyrics-container {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.5s ease-in-out;
}

#display-title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

#lyrics-text {
    white-space: pre-wrap; /* Preserves exact formatting from API */
    text-align: center;
    font-size: 1.1rem;
    color: #cbd5e1;
}

.hidden {
    display: none !important;
}

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