:root {
    /* Dark Mode Defaults - Extreme Deep */
    --bg-color: #010409;
    --card-bg: rgba(13, 17, 23, 0.9);
    --primary-glow: #3b82f6;
    /* Brighter blue for visibility */
    --secondary-glow: #8b5cf6;
    /* Brighter purple */
    --accent-color: #fbbf24;
    /* Amber/Yellow for highlights */
    --text-color: #f8fafc;
    --text-dim: #94a3b8;
    --glass-border: rgba(240, 246, 252, 0.1);
    --modal-bg: rgba(15, 23, 42, 0.98);
    /* Slightly lighter background for modal */
}

[data-theme="light"] {
    /* Light Mode Defaults - Ultra Bright */
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.9);
    --primary-glow: #2563eb;
    --secondary-glow: #7c3aed;
    --accent-color: #d97706;
    --text-color: #0f172a;
    --text-dim: #475569;
    --glass-border: rgba(0, 0, 0, 0.1);
    --modal-bg: #ffffff;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Background Decorations */
.background-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    /* Default for Dark Mode */
    animation: move 20s infinite alternate;
    transition: opacity 0.5s ease;
}

[data-theme="light"] .circle {
    opacity: 0.15;
    /* Subtle for Light Mode */
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-glow);
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 350px;
    height: 350px;
    background: var(--secondary-glow);
    bottom: -50px;
    left: -100px;
    animation-delay: -5s;
}

@keyframes move {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(50px, 100px);
    }
}

/* Controls */
.controls {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    display: flex;
    gap: 1rem;
    z-index: 1000;
}

.control-btn {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    backdrop-filter: blur(15px);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.control-btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

header {
    text-align: center;
    padding: 4rem 1rem 2rem;
}

.glow-text {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-color) 0%, var(--secondary-glow) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.date-display {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    font-size: 0.9rem;
}

main {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Horoscope Card */
.card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-glow);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-glow), var(--secondary-glow));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover::before {
    opacity: 1;
}

.sign-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.sign-name {
    font-size: 1.5rem;
    font-weight: 600;
}

.luck-stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

.summary-text {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Loader */
.loader-container {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5rem 0;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--card-bg);
    border-top: 3px solid var(--primary-glow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    padding: 3rem;
    border-radius: 32px;
    background: var(--modal-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-dim);
}

footer {
    padding: 3rem;
    color: var(--text-dim);
    font-size: 0.8rem;
    text-align: center;
}

/* Mobile Specific Styles */
@media (max-width: 768px) {
    header {
        padding: 6rem 1rem 2rem;
        /* Add more top padding for floating controls */
    }

    .glow-text {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    main {
        padding: 1rem;
        grid-template-columns: 1fr;
        /* Single column on mobile */
        gap: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .sign-name {
        font-size: 1.3rem;
    }

    .controls {
        top: 1rem;
        right: 1rem;
        left: 1rem;
        /* Full width approach for easier access */
        justify-content: center;
    }

    .control-btn {
        width: 100%;
        justify-content: center;
        padding: 0.8rem;
    }

    .modal-content {
        width: 95%;
        padding: 2rem 1.5rem;
        border-radius: 24px;
        max-height: 85vh;
        overflow-y: auto;
    }

    .close-btn {
        top: 1rem;
        right: 1rem;
    }

    footer {
        padding: 2rem 1rem;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .glow-text {
        font-size: 1.8rem;
    }

    .date-display {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
}