/* 우리만의 세련된 가계부 스타일 */
:root {
    --bg-color: #f8fbff;
    --main-blue: #42a5f5;
    --main-pink: #ff69b4; 
    --text-dark: #2c3e50;
    --white: #ffffff;
}

body {
    /* 본문 폰트: 나눔고딕 */
    font-family: 'Nanum Gothic', sans-serif;
    background-color: var(--bg-color);
    margin: 0; padding: 15px; padding-bottom: 100px;
    max-width: 600px; margin-left: auto; margin-right: auto;
    color: var(--text-dark); box-sizing: border-box;
    line-height: 1.6;
}

h2 { 
    /* 제목 폰트: 배민 주아체 */
    font-family: 'Jua', sans-serif; 
    text-align: center; 
    color: #455a64; 
    margin-bottom: 25px; 
    font-size: 28px;
    letter-spacing: 1px;
}

/* 입력 폼 섹션 */
.input-group {
    background: var(--white); padding: 20px; border-radius: 24px;
    box-shadow: 0 10px 25px rgba(66, 165, 245, 0.12);
    margin-bottom: 25px; border: 1px solid #e3f2fd;
}

input, select {
    width: 100%; padding: 14px; margin-bottom: 12px;
    border: 1px solid #dee2e6; border-radius: 14px; box-sizing: border-box; font-size: 16px;
    font-family: 'Nanum Gothic', sans-serif;
}

.radio-label { font-family: 'Jua', sans-serif; font-size: 16px; color: #546e7a; margin-bottom: 8px; }
.radio-group { display: flex; gap: 10px; margin-bottom: 18px; }
.radio-group label {
    flex: 1; text-align: center; background: #f1f3f5; color: #adb5bd;
    padding: 14px 5px; border-radius: 14px; cursor: pointer; font-weight: bold; font-size: 15px;
    transition: all 0.2s ease;
}
input[type="radio"] { display: none; }

/* 선택된 라디오 버튼 색상 (서방님: 파란색 / 울공쥬: 핑크색) */
#payer-me:checked + label { background: var(--main-blue) !important; color: white !important; transform: scale(1.02); }
#payer-gf:checked + label { background: var(--main-pink) !important; color: white !important; transform: scale(1.02); }

#type-shared:checked + label, #type-personal:checked + label { background: #78909c; color: white; }
#type-settlement:checked + label { background: #4caf50; color: white; }

.save-btn {
    width: 100%; padding: 16px; background-color: var(--main-blue);
    color: white; font-size: 18px; font-family: 'Jua', sans-serif; border: none; border-radius: 14px; cursor: pointer;
    box-shadow: 0 4px 12px rgba(66, 165, 245, 0.3);
}

/* 정산 요약 섹션 */
.summary-container { margin-bottom: 20px; }
.summary-box {
    background: white; border-radius: 20px; padding: 18px;
    text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.04);
}
.shared-box { background: #eef7ff; border: 1px solid #bbdefb; }
.settlement-msg {
    margin-top: 12px; padding-top: 12px; border-top: 1px dashed #90caf9;
    font-size: 17px; font-family: 'Jua', sans-serif; color: #d81b60;
}
.personal-row { display: flex; gap: 10px; margin-top: 10px; }
.personal-box { flex: 1; border: 1px solid #f1f3f5; }

/* 필터 버튼 섹션 */
.filter-row { display: flex; gap: 8px; margin-bottom: 10px; }
.filter-btn {
    flex: 1; border: 1px solid #e9ecef; background: white; color: #868e96;
    padding: 12px 5px; border-radius: 25px; font-size: 14px; font-weight: bold; cursor: pointer;
    font-family: 'Nanum Gothic', sans-serif;
}
.filter-btn.active { background: var(--main-blue); color: white; border-color: var(--main-blue); }

/* 직접설정 날짜 입력 섹션 */
.custom-date-container {
    background: #fff; padding: 12px; border-radius: 18px; 
    margin-bottom: 12px; border: 1px solid #e3f2fd; box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}
.date-input { margin-bottom: 0 !important; padding: 8px !important; font-size: 13px !important; }
.apply-btn {
    background: var(--main-blue); color: #fff; border: none; 
    padding: 8px 18px; border-radius: 12px; font-family: 'Jua', sans-serif; font-size: 14px;
}

/* 리스트 항목 스타일 */
ul#expense-list { list-style: none; padding: 0; margin: 0; }
li {
    background: white; padding: 18px; border-radius: 20px; margin-bottom: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.03); border: 1px solid #f8f9fa;
    transition: background-color 0.3s ease;
}

/* ★ 정산 내역일 때의 옅은 노란색 배경 강조 */
li.settlement-item {
    background-color: #fff9c4 !important; /* 원본의 옅은 노란색 */
    border: 1px solid #fff176;           /* 테두리 강조 */
    box-shadow: 0 4px 12px rgba(251, 192, 45, 0.15);
}

.badge {
    font-size: 11px; padding: 3px 9px; border-radius: 8px;
    margin-right: 6px; font-weight: bold; vertical-align: middle;
}
.badge.shared { background: #e3f2fd; color: var(--main-blue); border: 1px solid #bbdefb; } 
.badge.personal { background: #f5f5f5; color: #757575; border: 1px solid #e0e0e0; }
.badge.settlement { background: #e8f5e9; color: #2e7d32; border: 1px solid #c8e6c9; }

.lock-btn { background: none; border: none; font-size: 18px; cursor: pointer; opacity: 0.5; }

/* 수정창 스타일 */
.edit-box {
    width: 100%; background: #fafafa; padding: 18px; border-radius: 20px;
    border: 2px solid var(--main-blue); box-sizing: border-box;
}
/* 정산 내역 수정 시에도 노란 톤 유지 */
li.settlement-item .edit-box {
    background-color: #fffde7;
    border-color: #fbc02d;
}

.now-btn {
    background-color: #f1f3f5; color: #495057; border: 1px solid #dee2e6;
    border-radius: 10px; padding: 8px 12px; font-size: 11px; font-weight: bold; align-self: center;
}