/* ========== 기본 스타일 ========== */
:root {
    --primary-color: #b08968;
    --primary-light: #ddb892;
    --primary-dark: #7f5539;
    --text-color: #333;
    --text-light: #666;
    --text-muted: #999;
    --bg-color: #fff;
    --bg-light: #faf8f5;
    --border-color: #e8e2dc;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --font-serif: 'Noto Serif KR', serif;
    --font-sans: 'Noto Sans KR', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-sans);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    max-width: 100%;
    overflow-x: hidden;
    position: relative;
    width: 100%;
}

/* Google Fonts 로드 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&family=Noto+Serif+KR:wght@400;600&display=swap');

/* ========== 공통 섹션 스타일 ========== */
.section {
    padding: 60px 20px;
    border-bottom: 1px solid var(--border-color);
}

.section:last-of-type {
    border-bottom: none;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
}

.section-title h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========== 1. 메인 비주얼 ========== */
#main-visual {
    padding: 0;
    text-align: center;
}

.main-image-wrapper {
    width: 100%;
    overflow: hidden;
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
}

.main-text {
    padding: 40px 20px;
    background: var(--bg-light);
}

.wedding-date {
    font-size: 0.875rem;
    color: var(--text-light);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.couple-names {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.couple-names .heart {
    color: var(--primary-color);
    margin: 0 10px;
}

.venue-simple {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ========== 2. 인사말 ========== */
#greeting {
    background: var(--bg-light);
    text-align: center;
}

.greeting-content {
    margin-bottom: 40px;
}

.greeting-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 2;
    color: var(--text-light);
}

.family-info {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 2;
}

.family-info .name {
    font-weight: 500;
}

/* ========== 3. 연락처 ========== */
.contact-group {
    margin-bottom: 30px;
}

.contact-group:last-child {
    margin-bottom: 0;
}

.contact-group h3 {
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 10px;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 70px;
}

.contact-name {
    flex: 1;
    font-size: 0.9rem;
}

.contact-buttons {
    display: flex;
    gap: 8px;
}

.contact-buttons a {
    display: inline-block;
    padding: 6px 12px;
    font-size: 0.75rem;
    border-radius: 20px;
    text-decoration: none;
}

.btn-call {
    background: var(--primary-color);
    color: #fff;
}

.btn-sms {
    background: #fff;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* 연락처 드롭다운 */
.contact-toggle {
    width: 100%;
    padding: 12px 15px;
    margin-top: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
    background: var(--bg-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.contact-toggle .toggle-icon {
    transition: transform 0.3s;
}

.contact-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.contact-parents {
    display: none;
    margin-top: 10px;
}

.contact-parents.show {
    display: block;
}

/* ========== 4. 참석 의사 전달 ========== */
.attendance-form,
.guestbook-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--primary-dark);
}

/* ========== 5. 갤러리 ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
}

.gallery-item {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
}

.gallery-item.gallery-hidden {
    display: none;
}

.gallery-grid.expanded .gallery-item.gallery-hidden {
    display: block;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-toggle-btn {
    display: block;
    margin: 20px auto 0;
    padding: 12px 40px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.3s, border-color 0.3s;
}

.gallery-toggle-btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
}

/* ========== 6. 캘린더 ========== */
.calendar-wrapper {
    max-width: 350px;
    margin: 0 auto 30px;
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
}

.calendar-month {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.calendar-header .sun {
    color: #e74c3c;
}

.calendar-header .sat {
    color: #3498db;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    font-size: 0.9rem;
}

.calendar-days span {
    padding: 8px;
}

.calendar-days .today {
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
}

.calendar-days .wedding-day {
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
}

.calendar-days .sun {
    color: #e74c3c;
}

.calendar-days .sat {
    color: #3498db;
}

.dday-counter {
    text-align: center;
    font-size: 1.1rem;
}

.dday-number {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.3rem;
}

/* ========== 7. 오시는 길 ========== */
.location-info {
    text-align: center;
    margin-bottom: 20px;
}

.venue-name {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 5px;
}

.venue-hall {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.venue-address {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.venue-tel {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.map-embed {
    width: 100%;
    margin-bottom: 15px;
    border-radius: 12px;
    overflow: hidden;
}

.map-embed iframe {
    display: block;
}

.map-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.btn-map {
    padding: 10px 20px;
    font-size: 0.875rem;
    color: var(--text-color);
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-map:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.traffic-info {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
}

.traffic-item {
    margin-bottom: 15px;
}

.traffic-item:last-child {
    margin-bottom: 0;
}

.traffic-item h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--primary-dark);
}

.traffic-item p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ========== 8. 계좌 정보 ========== */
.account-group {
    margin-bottom: 15px;
}

.account-toggle {
    width: 100%;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    color: #333 !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background: var(--bg-light);
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.toggle-icon {
    transition: transform 0.3s;
}

.account-toggle.active .toggle-icon {
    transform: rotate(180deg);
}

.account-list {
    display: none;
    padding: 15px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0 0 8px 8px;
    margin-top: -5px;
}

.account-list.show {
    display: block;
}

.account-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.account-item:last-child {
    border-bottom: none;
}

.account-holder {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 3px;
}

.account-info {
    font-size: 0.85rem;
    color: var(--text-light);
}

.btn-copy {
    padding: 8px 15px;
    font-size: 0.75rem;
    color: var(--primary-color);
    background: #fff;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    cursor: pointer;
}

/* ========== 9. 축하 메시지 (방명록) ========== */
.guestbook-form .form-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.guestbook-form .form-row input {
    flex: 1;
    padding: 12px 15px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.guestbook-form textarea {
    width: 100%;
    height: 100px;
    padding: 12px 15px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    resize: none;
    margin-bottom: 10px;
    font-family: inherit;
}

.guestbook-list {
    margin-top: 30px;
}

.guestbook-item {
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 15px;
}

.guestbook-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.guestbook-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.guestbook-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.guestbook-message {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.guestbook-delete {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    margin-top: 10px;
}

.btn-more {
    display: block;
    text-align: center;
    padding: 12px;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    margin-top: 20px;
}

/* ========== 10. 하단 공유 버튼 ========== */
.share-section {
    padding: 30px 20px;
    background: var(--bg-light);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.share-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 140px;
}

.share-btn:hover {
    border-color: var(--primary-color);
}

.share-icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.share-btn span {
    font-size: 0.85rem;
    color: var(--text-color);
    white-space: nowrap;
}

.kakao-btn .share-icon {
    color: #3C1E1E;
}

.kakao-btn {
    background: #FEE500;
    border-color: #FEE500;
}

.kakao-btn span {
    color: #3C1E1E;
}

/* ========== 푸터 ========== */
.footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-color);
}

.footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.copyright {
    font-size: 0.75rem;
}

/* ========== 모달 ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
}

.modal-content {
    max-width: 90%;
    max-height: 80%;
    object-fit: contain;
}

.modal-nav {
    position: absolute;
    bottom: 30px;
    display: flex;
    gap: 20px;
}

.modal-prev,
.modal-next {
    padding: 10px 20px;
    font-size: 1.5rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

/* 삭제 모달 */
.delete-modal .modal-dialog {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    max-width: 300px;
}

.delete-modal h3 {
    margin-bottom: 10px;
}

.delete-modal p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.delete-modal input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    text-align: center;
}

.modal-buttons {
    display: flex;
    gap: 10px;
}

.modal-buttons button {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
}

.btn-cancel {
    background: #fff;
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.btn-confirm {
    background: #e74c3c;
    border: none;
    color: #fff;
}

/* ========== Toast 메시지 ========== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 8px;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 2000;
}

.toast.show {
    opacity: 1;
}

/* ========== 방명록 전체보기 페이지 ========== */
.page-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.btn-back {
    font-size: 0.9rem;
    color: var(--text-color);
    text-decoration: none;
    margin-right: auto;
}

.page-header h1 {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    font-weight: 500;
}

.guestbook-stats {
    text-align: center;
    padding: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.guestbook-list-full {
    padding: 0 20px;
}

/* 페이지네이션 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 5px;
    padding: 20px;
}

.pagination button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

.pagination button.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ========== 관리자 모드 ========== */
.btn-settings {
    width: 32px;
    height: 32px;
    padding: 4px;
    background: none;
    border: none;
    cursor: default;
    color: transparent;
    opacity: 0;
}

.btn-settings svg {
    width: 100%;
    height: 100%;
    display: none;
}

.admin-mode-banner {
    background: #e74c3c;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.btn-exit-admin {
    padding: 5px 12px;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    cursor: pointer;
}

.guestbook-delete {
    display: none;
    font-size: 0.75rem;
    color: #e74c3c;
    background: none;
    border: none;
    cursor: pointer;
    margin-top: 10px;
}

.admin-mode .guestbook-delete {
    display: inline-block;
}

/* ========== 반응형 ========== */
@media (min-width: 768px) {
    body {
        max-width: 500px;
        margin: 0 auto;
        box-shadow: var(--shadow);
    }

    .section {
        padding: 80px 30px;
    }
}

/* ========== 음악 플레이어 ========== */
.music-player {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
}

.music-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.music-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.music-btn::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.music-btn.playing::before {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.4;
    }
    100% {
        transform: scale(0.8);
        opacity: 0.8;
    }
}

.music-icon {
    font-size: 18px;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.pause-icon {
    display: none;
    font-size: 14px;
    letter-spacing: 2px;
}

.music-btn.playing .play-icon {
    display: none;
}

.music-btn.playing .pause-icon {
    display: block;
}

/* 음악 재생 중 애니메이션 */
.music-btn.playing {
    animation: musicPulse 2s infinite;
}

@keyframes musicPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(176, 137, 104, 0.3);
    }
    50% {
        box-shadow: 0 4px 25px rgba(176, 137, 104, 0.6);
    }
}