:root {
    color-scheme: light dark;
    --bg: #ffffff;
    --bg-card: #f6f7f8;
    --bg-card-hover: #eef0f2;
    --text: #1a1c1e;
    --text-muted: #6b7280;
    --border: #e2e4e8;
    --primary: #2fb3a6;
    --primary-hover: #26988d;
    --primary-text: #ffffff;
    --danger: #d64545;
    --danger-bg: #fdeaea;
    --warn-bg: #fff6e0;
    --warn-text: #8a6300;
    --link: inherit;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #15171a;
        --bg-card: #202226;
        --bg-card-hover: #292b30;
        --text: #eceded;
        --text-muted: #9aa0a6;
        --border: #34363b;
        --primary: #3ecbbd;
        --primary-hover: #56d6c9;
        --primary-text: #0b1210;
        --danger: #ff6f6f;
        --danger-bg: #3a1f1f;
        --warn-bg: #3a3014;
        --warn-text: #e8c876;
    }
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
    margin: 0;
    padding: 0 1rem 3rem;
    max-width: 720px;
    margin-inline: auto;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

h1 {
    font-size: 1.3rem;
    margin: 1.25rem 0 1rem;
}

h2 {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin: 2rem 0 0.75rem;
}

/* ── 네비게이션 ── */
nav {
    display: flex;
    gap: 1.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid transparent;
}

nav a.active {
    color: var(--text);
    border-bottom-color: var(--primary);
}

/* ── 카드 섹션 (폼 묶음) ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

/* ── 폼: label/input 2단 그리드 정렬 ── */
.field {
    display: grid;
    grid-template-columns: 84px 1fr;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.field label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.field-checkbox {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.field-checkbox label {
    color: var(--text);
    font-size: 0.9rem;
}

/* ── 필터 바 (내역 화면): 가로 나열, label이 위 ── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.field-inline {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.field-inline label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── 입력 요소 공통 ── */
textarea, input, select, button {
    font-size: 0.95rem;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
}

input, select, textarea {
    width: 100%;
}

textarea {
    resize: vertical;
}

input[type="checkbox"] {
    width: auto;
    accent-color: var(--primary);
}

button {
    cursor: pointer;
    border-color: var(--border);
    background: var(--bg-card);
    font-weight: 600;
}

button:hover {
    background: var(--bg-card-hover);
}

button.primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-text);
}

button.primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

button.link-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    text-decoration: underline;
    font-weight: 400;
    padding: 0.5rem 0.25rem;
}

button.link-btn:hover {
    background: none;
    color: var(--text);
}

/* ── 표 ── */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.5rem 0 1rem;
    font-size: 0.88rem;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    padding: 0.5rem 0.5rem;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--bg-card);
}

tr.dup-row {
    background: var(--warn-bg);
}

tr.error-row {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ── 배지 ── */
.badge-dup {
    background: #f5a623;
    color: #1a1a1a;
    border-radius: 4px;
    padding: 0.1rem 0.45rem;
    font-size: 0.72rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-cancel {
    background: var(--text-muted);
    color: var(--bg);
    border-radius: 4px;
    padding: 0.1rem 0.45rem;
    font-size: 0.72rem;
}

.error {
    color: var(--danger);
}

.success {
    color: var(--primary);
    font-weight: 600;
}

.result {
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    background: var(--bg-card);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result.dup {
    background: var(--warn-bg);
    color: var(--warn-text);
}

/* ── 토글 (대시보드 생활비/전체) ── */
.toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.toggle a {
    text-decoration: none;
    color: var(--text-muted);
    padding: 0.35rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.toggle a.active {
    background: var(--primary);
    color: var(--primary-text);
    border-color: var(--primary);
}

/* ── 예산 게이지 ── */
.budget-gauge {
    margin-bottom: 1.25rem;
}

.budget-gauge p {
    margin: 0 0 0.5rem;
    font-size: 0.92rem;
}

.gauge-track {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 999px;
    height: 0.9rem;
    overflow: hidden;
}

.gauge-fill {
    background: var(--primary);
    height: 100%;
}

.gauge-fill.over {
    background: var(--danger);
}

.budget-gauge-empty {
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}

/* ── 대시보드 통계 카드 ── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.8rem 1rem;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
}

.stat-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── 카테고리 범례 / 카드사 목록 ── */
.category-legend, .plain-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 1.25rem;
}

.category-legend li, .plain-list li {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
}

.category-legend a {
    color: var(--link);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.legend-dot {
    display: inline-block;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

canvas {
    max-width: 100%;
    margin-bottom: 1.25rem;
}

@media (max-width: 480px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }
    thead {
        display: none;
    }
    tbody tr {
        border: 1px solid var(--border);
        border-radius: 8px;
        margin-bottom: 0.6rem;
        padding: 0.4rem 0.6rem;
    }
    tbody tr:hover {
        background: none;
    }
    td {
        border-bottom: none;
        padding: 0.25rem 0;
    }
}