:root {
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --accent-color: #4a90e2;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Pretendard', sans-serif;
    margin: 0;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #252525;
}

.nav-left { display: flex; align-items: center; gap: 15px; }

#back-btn {
    background: none;
    border: 1px solid #444;
    color: white;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s;
    position: relative;
    border: 1px solid #3d3d3d;
}

.card:hover { transform: translateY(-5px); border-color: var(--accent-color); }

.card .delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    color: #666;
}

/* 모달 스타일 */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    width: 300px;
}

input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    background: #1a1a1a;
    border: 1px solid #444;
    color: white;
    box-sizing: border-box;
}

.add-mini-btn, .save-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
}