@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --income-color: #10B981;
    --income-bg: #ECFDF5;
    --expense-color: #EF4444;
    --expense-bg: #FEF2F2;
    --bg-main: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-main: #1E293B;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
}

.account-book-wrap {
    max-width: 1100px;
    margin: 20px auto 60px auto;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    color: var(--text-main);
    padding: 0 15px;
}

/* 헤더 카더 */
.ab-header-card {
    background: linear-gradient(135deg, #4F46E5 0%, #3B82F6 100%);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
}
.ab-title-area h1 {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 6px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ab-title-area p {
    margin: 0;
    font-size: 15px;
    opacity: 0.9;
}
.btn-excel {
    background: rgba(255, 255, 255, 0.2);
    color: #FFF;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    backdrop-filter: blur(5px);
}
.btn-excel:hover {
    background: #FFFFFF;
    color: var(--primary-color);
}

/* 월 이동 바 */
.ab-month-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.month-btn {
    color: var(--text-muted);
    font-weight: 600;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}
.month-btn:hover {
    background: #F1F5F9;
    color: var(--text-main);
}
.current-month {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* 통계 카드 */
.ab-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 22px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.stat-card.income .stat-icon { background: var(--income-bg); color: var(--income-color); }
.stat-card.expense .stat-icon { background: var(--expense-bg); color: var(--expense-color); }
.stat-card.balance .stat-icon { background: #EEF2FF; color: var(--primary-color); }

.stat-info span { font-size: 13px; color: var(--text-muted); display: block; margin-bottom: 4px; }
.stat-info strong { font-size: 20px; font-weight: 700; }
.stat-info strong.plus { color: var(--income-color); }
.stat-info strong.minus { color: var(--expense-color); }

/* 카드 상자 공통 */
.ab-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.card-header h2 { font-size: 18px; font-weight: 700; margin: 0; display: flex; align-items: center; gap: 8px; }

/* 달력 뷰 */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.day-header {
    text-align: center;
    font-weight: 600;
    font-size: 13px;
    padding: 8px 0;
    color: var(--text-muted);
}
.day-header.sun { color: var(--expense-color); }
.day-header.sat { color: #2563EB; }

.day-cell {
    background: #F8FAFC;
    border-radius: var(--radius-sm);
    min-height: 72px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.day-cell.empty { background: transparent; }
.day-cell.today { background: #EFF6FF; border: 1px solid #93C5FD; }
.day-num { font-size: 12px; font-weight: 600; }
.day-num.sun { color: var(--expense-color); }
.day-num.sat { color: #2563EB; }

.day-amounts { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.c-income { font-size: 10px; color: var(--income-color); font-weight: 700; }
.c-expense { font-size: 10px; color: var(--expense-color); font-weight: 700; }

/* 폼 입력 디자인 */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: span 3; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-main); }

.form-control {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-control:focus { border-color: var(--primary-color); }
.amount-input { font-weight: 700; font-size: 16px; }

/* 세그먼트 버튼 (라디오) */
.segmented-control {
    display: flex;
    background: #F1F5F9;
    padding: 4px;
    border-radius: var(--radius-md);
    gap: 4px;
}
.segmented-control input[type="radio"] { display: none; }
.segment-btn {
    flex: 1;
    text-align: center;
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
}
.segmented-control input[type="radio"]:checked + .segment-btn {
    background: #FFFFFF;
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
}
.segmented-control input[type="radio"]:checked + .segment-btn.expense { color: var(--expense-color); }
.segmented-control input[type="radio"]:checked + .segment-btn.income { color: var(--income-color); }

/* 카테고리 태그 칩 */
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-group input[type="radio"] { display: none; }
.chip-btn {
    padding: 6px 14px;
    border-radius: 20px;
    background: #F1F5F9;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}
.chip-group input[type="radio"]:checked + .chip-btn {
    background: var(--primary-color);
    color: #FFFFFF;
    font-weight: 600;
}

/* 버튼 스타일 */
.form-actions { display: flex; gap: 10px; justify-content: flex-end; }
.btn-primary {
    background: var(--primary-color);
    color: #FFF;
    border: none;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary {
    background: #F1F5F9;
    color: var(--text-main);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
}

/* 테이블 리스트 */
.table-responsive { overflow-x: auto; }
.ab-table { width: 100%; border-collapse: collapse; text-align: left; }
.ab-table th { padding: 12px 14px; background: #F8FAFC; color: var(--text-muted); font-size: 13px; font-weight: 600; border-bottom: 1px solid var(--border-color); }
.ab-table td { padding: 14px; border-bottom: 1px solid var(--border-color); font-size: 14px; }

.badge { padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.badge-income { background: var(--income-bg); color: var(--income-color); }
.badge-expense { background: var(--expense-bg); color: var(--expense-color); }

.pill-tag { background: #F1F5F9; padding: 2px 8px; border-radius: 12px; font-size: 12px; color: var(--text-main); }
.pill-tag.muted { color: var(--text-muted); }

.amount-cell { font-weight: 700; }
.amount-cell.income { color: var(--income-color); }
.amount-cell.expense { color: var(--expense-color); }

.action-buttons { display: flex; gap: 6px; justify-content: center; }
.btn-icon { width: 30px; height: 30px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; border: none; cursor: pointer; text-decoration: none; font-size: 12px; }
.btn-icon.edit { background: #EFF6FF; color: var(--primary-color); }
.btn-icon.delete { background: var(--expense-bg); color: var(--expense-color); }

.ab-empty-state { text-align: center; padding: 48px 0; color: var(--text-muted); }
.ab-empty-state i { font-size: 36px; margin-bottom: 12px; opacity: 0.5; }

/* 모바일 대응 반응형 */
@media (max-width: 768px) {
    .ab-stats-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: span 1; }
    .ab-header-card { flex-direction: column; align-items: flex-start; gap: 16px; }
}