/* ======================================
   법정기간 자동 계산기 - 스타일시트
   법률사무소 信 (jsulaw.co.kr)
   Minimal Design System v2
   ====================================== */

/* ── Pretendard 폰트 ── */
@font-face {
    font-family: 'Pretendard';
    src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');
}

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* ── MaruBuri 서체 ── */
@font-face {
    font-family: 'MaruBuri';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10-21@1.0/MaruBuri-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

/* ── Design Tokens ── */
:root {
    --color-primary: #1e293b;
    --color-secondary: #64748b;
    --color-accent: #2563eb;
    --color-danger: #ef4444;
    --color-bg-page: #f8fafc;
    --color-bg-card: #ffffff;
    --color-border: #e2e8f0;
    --color-input-border: #cbd5e1;
    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── Reset & Base ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--color-bg-page);
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* ── Header ── */
.header {
    background: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.5rem 0;
    min-height: 40px;
}

.header-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 1px;
    text-decoration: none;
    color: white;
}

.main-info {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.main-info strong {
    letter-spacing: 0.5px;
}

.shin-calligraphy-small {
    font-family: 'Zhi Mang Xing', cursive;
    font-size: 1.4em;
    line-height: 1;
}

.header-attorney {
    font-size: 0.72rem;
    opacity: 0.85;
    font-weight: 400;
}

.website-info {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.6rem;
    opacity: 0.6;
    margin-top: 1px;
}

.website-info i {
    font-size: 0.55rem;
}

.browser-tip {
    cursor: pointer;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    padding: 0.25rem;
    transition: color 0.15s;
}

.browser-tip:hover {
    color: #fbbf24;
}

/* ── Main Content ── */
.main-content {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

/* ── Page Header ── */
.page-header {
    margin-bottom: 2rem;
    text-align: center;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.page-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.page-description {
    color: var(--color-secondary);
    font-size: 0.95rem;
}

/* ── Section Styles ── */
.calculator-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    scroll-margin-top: 60px;
}

.section-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.section-title i {
    color: var(--color-accent);
}

.section-subtitle {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-secondary);
    margin-left: 0.5rem;
}

/* ── Calendar ── */
.calendar-container {
    margin-bottom: 1.5rem;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.calendar-nav {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s;
}

.calendar-nav:hover {
    background: var(--color-accent);
}

.calendar-nav.nav-highlight {
    background: var(--color-danger);
}

.calendar-nav.nav-highlight:hover {
    background: #dc2626;
}

.calendar-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.calendar-day-header {
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: 0.625rem;
    font-size: 0.8125rem;
    font-weight: 600;
}

.calendar-day {
    padding: 0.5rem;
    text-align: center;
    min-height: 60px;
    cursor: pointer;
    border: 1px solid var(--color-border);
    transition: background 0.1s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    position: relative;
}

.calendar-day:hover {
    background: rgba(37, 99, 235, 0.04);
}

.day-number {
    font-size: 0.875rem;
    font-weight: 500;
}

.day-count {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.other-month {
    opacity: 0.3;
}

.holiday .day-number {
    color: var(--color-danger);
    font-weight: 600;
}

.holiday-marker {
    width: 4px;
    height: 4px;
    background: var(--color-danger);
    border-radius: 50%;
    position: absolute;
    bottom: 50%;
    left: calc(50% + 12px);
}

/* 달력 날짜 상태 스타일 */
.start-date {
    background: #059669 !important;
}

.start-date .day-number,
.start-date .day-count {
    color: white !important;
}

.in-range {
    background: rgba(37, 99, 235, 0.08);
}

.in-range .day-number {
    color: var(--color-accent);
    font-weight: 600;
}

.in-range .day-count {
    color: var(--color-accent);
}

.end-date {
    background: var(--color-danger) !important;
}

.end-date .day-number,
.end-date .day-count {
    color: white !important;
}

.extended-date {
    background: rgba(239, 68, 68, 0.08);
}

.extended-date .day-number {
    color: var(--color-danger);
    font-weight: 600;
}

.extended-date .day-count {
    color: var(--color-danger);
}

/* ── Period Buttons ── */
.period-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 0.75rem;
}

.period-btn {
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 0.875rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    font-weight: 600;
    color: white;
}

.period-btn:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
}

.period-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ── Calculation Spinner ── */
.calc-spinner {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    scroll-margin-top: 60px;
}

.calc-spinner.show {
    display: block;
    animation: fadeInUp 0.3s ease;
}

.spinner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.spinner-ring {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-danger);
    border-radius: 50%;
    animation: spinRing 0.8s linear infinite;
}

@keyframes spinRing {
    to {
        transform: rotate(360deg);
    }
}

.spinner-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    display: inline;
}

.spinner-dots {
    display: inline-flex;
    gap: 2px;
    margin-top: -1rem;
}

.spinner-dots span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    animation: dotPulse 1.2s ease-in-out infinite;
}

.spinner-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.spinner-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotPulse {

    0%,
    60%,
    100% {
        opacity: 0.2;
    }

    30% {
        opacity: 1;
    }
}

/* ── Result Section ── */
.result-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
    display: none;
    scroll-margin-top: 60px;
}

.result-section.show {
    display: block;
    animation: fadeInUp 0.3s ease;
}

/* 달력 안내 (제목 우측 인라인) */
.calendar-guide {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 20px;
    color: var(--color-danger);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.calendar-guide:hover {
    background: rgba(239, 68, 68, 0.15);
}

.calendar-guide-arrow {
    font-size: 1rem;
    animation: bounceUp 1.5s ease-in-out infinite;
}

@keyframes bounceUp {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateY(-4px);
        opacity: 0.6;
    }
}

.result-highlight {
    background: var(--color-danger);
    color: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 1.5rem;
}

.result-date {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.result-info {
    background: var(--color-bg-page);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-danger);
}

.result-info h4 {
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.result-info p {
    margin: 0.25rem 0;
    font-size: 0.9375rem;
}

/* 달력 안내 - 하단 (result-info 박스 내부) */
.calendar-guide-bottom {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.85rem;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 20px;
    color: var(--color-danger);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.calendar-guide-bottom:hover {
    background: rgba(239, 68, 68, 0.15);
}

/* ── Action Buttons ── */
.action-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.action-btn {
    flex: 1;
    padding: 0.875rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.15s;
    background: var(--color-accent);
    color: white;
    border: 1px solid var(--color-accent);
}

.action-btn:hover {
    background: #1d4ed8;
}

.action-btn.secondary {
    background: white;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.action-btn.secondary:hover {
    background: var(--color-bg-page);
}

/* ── Legal Info ── */
.legal-info {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.legal-category {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-category:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.legal-category h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.legal-category h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 1rem 0 0.5rem;
}

.legal-category ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.legal-category li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--color-bg-page);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.period-highlight {
    background: var(--color-accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Footer ── */
.footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 2rem 0;
    margin-top: 2rem;
}

.footer-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.15s;
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    font-size: 0.75rem;
    line-height: 1.8;
    opacity: 0.6;
}

/* ── Animation ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Home Guide Modal ── */
.home-guide-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.home-guide-modal.show {
    display: flex;
}

.home-guide-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    max-width: 400px;
    width: 100%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.guide-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-secondary);
    padding: 0.25rem;
}

.service-link-copy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-md);
    cursor: pointer;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: background 0.15s;
}

.service-link-copy:hover {
    background: #1d4ed8;
}

.service-link-copy.copied {
    background: #059669;
}

.guide-header {
    text-align: center;
    margin-bottom: 1.25rem;
}

.guide-header h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.guide-header p {
    font-size: 0.875rem;
    color: var(--color-secondary);
}

.browser-section {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--color-bg-page);
    border-radius: var(--radius-md);
}

.browser-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9375rem;
}

.browser-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.guide-steps {
    padding-left: 1.5rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.guide-steps li {
    margin-bottom: 0.25rem;
}

.guide-footer {
    margin-top: 1rem;
    text-align: center;
}

.guide-benefit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(5, 150, 105, 0.08);
    border-radius: var(--radius-md);
    color: #059669;
    font-size: 0.8125rem;
    font-weight: 600;
}

/* ── 변호사 소개 배너 ── */
.lawyer-banner {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    padding: 0.625rem 1rem 0.625rem 0.625rem;
    border-radius: 50px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 90;
    transition: transform 0.2s, box-shadow 0.2s;
}

.lawyer-banner:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.lawyer-icon-box {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.lawyer-text-box {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.lawyer-title {
    font-size: 0.75rem;
    font-weight: 700;
}

.lawyer-subtitle {
    font-size: 0.625rem;
    opacity: 0.7;
}

/* ── Mobile Responsive ── */
@media (max-width: 640px) {
    .main-content {
        padding: 1rem 0.75rem;
    }

    .page-title {
        font-size: 1.375rem;
    }

    .page-description {
        padding-left: 0;
        font-size: 0.875rem;
    }

    .calculator-section,
    .result-section,
    .legal-info {
        padding: 1.25rem;
    }

    .period-buttons {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 0.5rem;
    }

    .period-btn {
        padding: 0.625rem;
        font-size: 0.875rem;
    }

    .calendar-day {
        min-height: 48px;
        padding: 0.25rem;
    }

    .day-number {
        font-size: 0.75rem;
    }

    .day-count {
        font-size: 0.5rem;
    }

    .result-date {
        font-size: 1.5rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .legal-category li {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .lawyer-banner {
        bottom: 1rem;
        right: 1rem;
        padding: 0.5rem 0.875rem 0.5rem 0.5rem;
    }

    .lawyer-icon-box {
        width: 30px;
        height: 30px;
        font-size: 0.875rem;
    }

    .lawyer-title {
        font-size: 0.6875rem;
    }

    .lawyer-subtitle {
        font-size: 0.5625rem;
    }
}