:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --bg-color: #f9f9f9;
    --card-bg: #ffffff;
    --text-color: #2d3436;
    --error-color: #ff7675;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 10px;
}

.status-bar {
    font-size: 0.9rem;
    color: #636e72;
}

.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    font-size: 1rem;
    color: #b2bec3;
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    font-weight: bold;
}

.auth-form input, .input-group input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #dfe6e9;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.input-group input {
    margin-bottom: 0;
}

button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

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

.primary-btn {
    background-color: var(--primary-color);
    color: white;
}

.secondary-btn {
    background-color: var(--secondary-color);
    color: white;
}

.outline-btn {
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    margin-top: 10px;
}

.result-box {
    margin-top: 30px;
    padding: 20px;
    background: #f1f2f6;
    border-radius: 10px;
}

.luck-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 20px;
}

.luck-option {
    padding: 10px;
    font-size: 0.8rem;
    background: white;
    border: 1px solid #dfe6e9;
    color: var(--text-color);
}

.luck-option:hover {
    background: var(--secondary-color);
    color: white;
}

.detailed-box {
    margin-top: 20px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
    background: white;
    font-size: 0.95rem;
    line-height: 1.6;
}