/* 날짜 계산기 스타일 - mockup-generator 디자인 언어 차용 (pink/rose 테마) */
.date-tool {
    --tool-primary: #db2777;
    --tool-bg: #fdf2f8;
    --tool-gradient: linear-gradient(135deg, #db2777 0%, #e11d48 100%);
}

/* 히어로 */
.date-hero {
    background: var(--tool-gradient);
    border-radius: 16px;
    padding: 36px 32px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 28px;
}
.date-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 50%;
}
.date-hero::after {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -60px;
    width: 260px;
    height: 260px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
}
.date-hero h1 {
    font-size: 28px;
    font-weight: 800;
    position: relative;
    z-index: 1;
    margin: 10px 0 6px;
}
.date-hero p {
    opacity: 0.85;
    position: relative;
    z-index: 1;
    margin-bottom: 0;
}

/* 탭 (nav-pills) */
.date-tool .nav-pills .nav-link {
    color: #495057;
    border: 1px solid #dee2e6;
    background: #fff;
    border-radius: 10px;
    margin: 0 4px;
    transition: all 0.2s;
}
.date-tool .nav-pills .nav-link.active {
    background: var(--tool-gradient);
    border-color: transparent;
    color: #fff;
}
.date-tool .nav-pills .nav-link:not(.active):hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
    background: var(--tool-bg);
}

/* 에디터 카드 */
.date-tool .editor-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 14px;
    overflow: hidden;
}
.date-tool .editor-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #f1f3f5;
}
.date-tool .editor-title {
    font-weight: 700;
    font-size: 14px;
    color: #343a40;
}
.date-tool .editor-title i {
    color: var(--tool-primary);
}
.date-tool .editor-body {
    padding: 18px;
}

/* 폼 컨트롤 */
.date-tool .form-control,
.date-tool .form-select {
    border: 1px solid #e9ecef;
    border-radius: 10px;
    background: #f8f9fb;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.date-tool .form-control:focus,
.date-tool .form-select:focus {
    border-color: var(--tool-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(219, 39, 119, 0.12);
}

/* 액션 버튼 */
.date-tool .btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 9px 14px;
    border-radius: 10px;
    border: 1px solid #dee2e6;
    background: #fff;
    color: #495057;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}
.date-tool .btn-action:hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
    background: var(--tool-bg);
}
.date-tool .btn-action-primary {
    background: var(--tool-gradient);
    border: none;
    color: #fff;
}
.date-tool .btn-action-primary:hover {
    background: var(--tool-gradient);
    border: none;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(219, 39, 119, 0.3);
}

/* 결과 박스 */
.date-tool .result-box {
    border-radius: 14px;
    padding: 16px;
    text-align: center;
    height: 100%;
    background: #f8f9fb;
    border: 1px solid #f1f3f5;
}
.date-tool .result-box-primary {
    background: var(--tool-bg);
    border-color: rgba(219, 39, 119, 0.15);
}
.date-tool .result-box .result-label {
    color: #868e96;
    font-size: 13px;
    margin-bottom: 4px;
}
.date-tool .result-box .result-value {
    font-weight: 800;
    color: #343a40;
}
.date-tool .result-box .result-value.text-primary {
    color: var(--tool-primary) !important;
}
.date-tool .result-box .result-sub {
    color: #adb5bd;
    font-size: 12px;
}

/* 결과 강조 박스 (큰 값) */
.date-tool .result-hero {
    background: var(--tool-bg);
    border: 1px solid rgba(219, 39, 119, 0.15);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}
.date-tool .result-hero .result-big {
    font-weight: 800;
    color: var(--tool-primary);
}

/* D-Day 메인 카운트 (JS가 className을 fw-bold로 재설정하므로 ID로 폰트 크기 지정) */
.date-tool #ddayCount {
    font-size: 3.5rem;
    line-height: 1.2;
}
.date-tool #ddayCount.text-primary { color: var(--tool-primary) !important; }

/* 실시간 카운트다운 (다크) */
.date-tool .countdown-card {
    background: #1e1e2e;
    color: #fff;
    border-radius: 16px;
    padding: 24px;
}
.date-tool .countdown-card .cd-label {
    color: rgba(255, 255, 255, 0.5);
}
.date-tool #ddayCountdown .cd-num {
    font-variant-numeric: tabular-nums;
    transition: transform 0.1s ease;
}

/* 프로그레스 바 */
.date-tool .progress {
    background-color: #f1f3f5;
}
.date-tool .progress-bar {
    background: var(--tool-gradient) !important;
}

/* 서포트 카드 */
.support-card {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 14px;
    overflow: hidden;
}
.support-card .card-hd {
    padding: 14px 18px;
    font-weight: 700;
    font-size: 15px;
    border-bottom: 1px solid #f1f3f5;
}
.support-card .card-bd {
    padding: 18px;
}
.support-subtitle {
    font-size: 15px;
    font-weight: 700;
    color: #343a40;
    margin: 18px 0 10px;
}

/* 아코디언 */
.date-tool .accordion-button:not(.collapsed) {
    background-color: var(--tool-bg);
    color: var(--tool-primary);
    box-shadow: none;
}
.date-tool .accordion-button:focus {
    box-shadow: none;
}

/* 반응형 */
@media (max-width: 768px) {
    .date-hero { padding: 28px 20px; border-radius: 12px; }
    .date-hero h1 { font-size: 22px; }
    .date-tool #ddayCount { font-size: 2.8rem; }
}