* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
    background: #f4f6fb;
    color: #1f2430;
}

a {
    text-decoration: none;
    color: inherit;
}

/* 상단 내비게이션 */
.topbar {
    background: #1a237e;
    color: #fff;
}

.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
}

.logo .accent {
    color: #7c9bff;
}

.topbar nav {
    display: flex;
    gap: 8px;
}

.topbar nav a {
    padding: 8px 14px;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.topbar nav a:hover,
.topbar nav a.active {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* 공통 레이아웃 */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 64px;
}

.hero {
    padding: 32px 0 16px;
}

.hero h1 {
    font-size: 2rem;
    line-height: 1.4;
    margin: 0 0 12px;
}

.hero .gradient {
    color: #1a237e;
}

.hero-note {
    color: #6b7280;
    font-size: 0.9rem;
}

.page-title {
    margin: 0 0 4px;
}

.page-desc {
    color: #6b7280;
    margin: 0 0 24px;
}

/* 메뉴 카드 (홈 화면) */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 24px;
}

.menu-card {
    display: block;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.15s ease;
}

.menu-card:hover {
    transform: translateY(-2px);
}

.menu-card .num {
    font-size: 0.85rem;
    color: #9ca3af;
    font-weight: 700;
}

.menu-card h3 {
    margin: 8px 0 4px;
}

.menu-card p {
    margin: 0 0 12px;
    color: #6b7280;
    font-size: 0.9rem;
}

.menu-card .go {
    color: #1a237e;
    font-weight: 600;
    font-size: 0.9rem;
}

/* 카드 섹션 */
.card {
    background: #fff;
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.card h2 {
    font-size: 1.1rem;
    margin: 0 0 16px;
}

/* 폼 */
.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 4px;
}

input[type="text"],
input[type="number"],
input[type="email"],
select {
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* 버튼 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
}

.btn-primary {
    background: #1a237e;
    color: #fff;
}

.btn-outline {
    background: #fff;
    border: 1px solid #d1d5db;
    color: #1f2430;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.8rem;
}

.btn-delete {
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid #f87171;
    background: #fff;
    color: #dc2626;
    font-size: 0.8rem;
    cursor: pointer;
}

/* 테이블 */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px 8px;
    text-align: left;
    border-bottom: 1px solid #eef0f4;
    font-size: 0.9rem;
}

th {
    color: #6b7280;
    font-weight: 600;
}

.empty-row td {
    text-align: center;
    color: #9ca3af;
    padding: 24px 8px;
}

/* 배지 */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
}

.badge-done {
    background: #dcfce7;
    color: #15803d;
}

code {
    background: #eef0f4;
    padding: 2px 6px;
    border-radius: 4px;
}