/* ==========================================
   KSEI 심포지움 - Pages 스타일
   페이지별 스타일 (히어로, 인사말, 프로그램, 서브페이지 등)
   ========================================== */

/* ==========================================
   1. 히어로 섹션 (메인 페이지)
   ========================================== */
.hero-section {
    position: relative;
    min-height: 600px;     
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 24px 80px;
}

.hero-content {
    max-width: 900px;
    width: 100%;
}

.hero-subtitle-top {
    font-size: 36px;
    font-weight: 400;
    margin: 0 0 32px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 64px;
    font-weight: 700;
    color: var(--accent-orange);
    margin: 0 0 20px;
    line-height: 1.2;
    letter-spacing: -1.5px;
}

.hero-subtitle-ko {
    font-size: 26px;
    font-weight: 500;
    color: var(--accent-orange);
    margin: 0 0 40px;
    letter-spacing: 0.5px;
}

.hero-description {
    margin: 0 0 40px;
}

.hero-description p {
    font-size: 20px;
    font-weight: 400;
    margin: 4px 0;
    letter-spacing: 0.3px;
}

.hero-divider {
    width: 80px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 auto 40px;
}

.hero-divider-small {
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 24px auto;
}

.hero-info {
    margin: 0 0 48px;
}

.hero-info p {
    font-weight: 400;
    margin: 8px 0;
    letter-spacing: 0.2px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.hero-logo {
    height: 32px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    vertical-align: middle;
}

.hero-organizers {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: 32px;
    flex-wrap: nowrap;
}

.hero-organizer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.organizer-label {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.3px;
}

.hero-cta-btn {
    display: inline-block;
    padding: 14px 80px;
    background: #000000;
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.hero-cta-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translateY(-2px);
}

.hero-quick-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 48px;
}

.quick-menu-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    min-width: 120px;
    text-align: center;
}

.quick-menu-item:hover {
    background: rgba(255, 167, 2, 0.2);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 167, 2, 0.3);
}

/* ==========================================
   2. 회장 인사말 섹션 (인사말 페이지)
   ========================================== */
.greeting-section {
    position: relative;
    padding: 80px 0;
}

.greeting-body {
    margin-bottom: 48px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
}

.greeting-text {
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 24px;
    letter-spacing: -0.2px;
    color: rgba(255, 255, 255, 0.9);
}

.greeting-text:last-of-type {
    margin-bottom: 0;
}

.greeting-text strong {
    font-weight: 600;
}

.greeting-signature {
    text-align: right;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.greeting-date,
.greeting-org,
.greeting-name {
    line-height: 1.8;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: -0.2px;
}

.greeting-name {
    font-weight: 600;
    margin-bottom: 0;
}

/* ==========================================
   3. 서브페이지 공통 레이아웃
   ========================================== */
.page-header {
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.5px;
    line-height: 1.4;
}

.page-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin: 12px 0 0;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.content-body {
    background: rgba(26, 35, 50, 0.6);
    padding: 32px;
    border-radius: 8px;
    line-height: 1.8;
}

.content-body > div {
    margin-bottom: 48px;
}

.content-body > div:last-child {
    margin-bottom: 0;
}

.content-body h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-orange);
    margin: 0 0 24px;
}

.content-body h4 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px;
}

.content-body p {
    line-height: 1.8;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.content-body ul,
.content-body ol {
    margin: 16px 0;
    color: rgba(255, 255, 255, 0.9);
}

.content-body li {
    margin-bottom: 8px;
}

.content-body strong {
    font-weight: 600;
}

.info-section {
    margin-bottom: 48px;
}

.info-section:last-child {
    margin-bottom: 0;
}

.info-section + .info-section { 
    margin-top: 28px; 
}

.info-list {
    margin: 16px 0;
}

.info-list li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.info-list li:last-child {
    margin-bottom: 0;
}

.info-list li strong {
    font-weight: 600;
    margin-right: 8px;
}

.info-section .info-list {
    margin: 8px 0 0 18px;
}

.info-section .info-list li {
    list-style: disc;
    line-height: 1.7;
}

.info-section .info-list .info-list li {
    list-style: none;
    margin-left: 0;
}

.info-method {
    margin-top: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.info-method strong {
    font-weight: 600;
    margin-right: 8px;
}

.notice-list li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.notice-list li:last-child {
    margin-bottom: 0;
}

.notice-list li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--accent-orange);
    font-weight: bold;
}

.notice-text {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
    margin-top: 16px;
    text-align: right;
}

/* 테이블 특수 스타일 */
.info-table th {
    width: 200px;
    min-width: 180px;
}

.info-section table thead th:first-child {
    width: 50%;
}

.info-section table thead th:last-child {
    width: 50%;
}

/* 버튼 영역 */
.btn-area {
    text-align: center;
    margin: 48px 0;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    margin: 0 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--accent-orange);
    color: #000;
}

.btn-primary:hover {
    background: #FFB620;
    transform: translateY(-2px);
}

.btn-secondary {
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   4. 페이지별 스타일
   ========================================== */

/* 레거시 클래스 - 호환성 유지용 */
.event-main-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.event-subtitle-en {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    letter-spacing: 0.5px;
}

.event-title-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.event-title-eng {
    font-size: 28px;
    font-weight: 600;
    color: var(--accent-orange);
    margin-bottom: 12px;
    line-height: 1.4;
}

.event-title-ko {
    font-size: 24px;
    font-weight: 500;
    color: var(--accent-orange);
    margin: 0;
    line-height: 1.4;
}

.event-description {
    padding: 24px;
    margin-bottom: 32px;
    line-height: 1.8;
    text-align: left;
}

.event-description p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.event-description p:last-child {
    margin-bottom: 0;
}

.event-thumbnail {
    margin: 32px 0;
}

.event-thumbnail img {
    width: 100%;
    border-radius: 8px;
}

/* 프로그램 안내 페이지 */
.program-schedule {
    margin-bottom: 32px;
}

.session-block {
    margin-bottom: 48px;
    padding: 32px;
    border-top: 4px solid var(--accent-orange);
}

.session-block:last-child {
    margin-bottom: 0;
}

.session-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(255, 167, 2, 0.3);
}

.session-title {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.session-number {
    font-weight: 700;
    color: var(--accent-orange);
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.session-name {
    font-weight: 600;
}

.session-block table {
    margin-top: 0;
}

.session-moderator {
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 16px;
}

.program-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.program-item {
    display: grid;
    grid-template-columns: 170px 1fr;
    column-gap: 24px;
    padding: 16px 0;
    background: none !important;
    border-left: 0 !important;
    border-radius: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.program-header {
    display: contents;
}

.program-time {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    font-weight: 700;
    color: var(--text-gray);
    white-space: nowrap;
}

.program-type {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
    white-space: nowrap;
    margin-bottom: 12px;
}

.program-type-keynote          { background: #1F6FFF; color: #fff; }
.program-type-break            { background: rgba(255,255,255,0.25); color: #fff; }
.program-type-closing          { background: #6B7280; color: #fff; }
.program-type-closing-remarks  { background: #6B7280; color: #fff; }
.program-type-opening-remarks  { background: #6B7280; color: #fff; }
.program-type-session          { background: var(--accent-orange); color: #111; }

.program-content {
    grid-column: 2;
    grid-row: 1;
    display: grid;
    grid-auto-rows: min-content;
    row-gap: 6px;
}

.program-item:has(.program-type) .program-content {
    grid-row: 2;
}

.program-title {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    word-break: keep-all;
    overflow-wrap: anywhere;
}

.title-english {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-weight: 700;
    line-height: 1.5;
    word-break: keep-all;
}

.title-line {
    display: block;
}

.title-korean {
    font-weight: 500;
    line-height: 1.5;
    word-break: keep-all;
}

.program-title:not(:has(.title-korean)) {
    gap: 0;
}

.program-speaker {
    color: rgba(255, 255, 255, 0.8);
}

/* 오시는 길 페이지 */
.venue-name {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--accent-orange);
}

.venue-info {
    margin-bottom: 24px;
}

.venue-addr {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.map-embed .root_daum_roughmap { 
    width: 100% !important; 
}

/* 사전등록 페이지 */
.register-info {
    margin-bottom: 32px;
}

.register-info li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.register-info li:last-child {
    border-bottom: none;
}

/* 사전등록 폼 페이지 (register_form.php) */
.register-form {
    margin-bottom: 48px;
}

.register-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-orange);
    margin: 0 0 24px;
}

.form-table {
    margin: 0;
}

.form-table th {
    width: 200px;
    min-width: 180px;
    vertical-align: middle;
}

.form-table td {
    vertical-align: middle;
}

.form-table input[type="text"],
.form-table input[type="email"],
.form-table input[type="tel"] {
    width: 100%;
    max-width: 400px;
}

.required {
    color: #ff4444;
    font-weight: 600;
    margin-left: 4px;
}

.payment-info {
    margin-bottom: 48px;
}

.payment-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-orange);
    margin: 0 0 24px;
}

.payment-amount {
    font-size: 20px;
    color: #e91e63;
    font-weight: 700;
}

.payment-amount-free {
    font-size: 20px;
    color: #1976d2;
    font-weight: 700;
}

.agree-area {
    margin-bottom: 32px;
    padding: 20px;
    background: rgba(255, 167, 2, 0.1);
    border: 1px solid rgba(255, 167, 2, 0.3);
    border-radius: 8px;
}

.agree-area label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
}

.agree-area input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-orange);
}

.btn-submit {
    background: var(--accent-orange);
    color: #000;
    border: none;
    cursor: pointer;
}

.btn-submit:hover {
    background: #FFB620;
    transform: translateY(-2px);
}

/* 사전등록 확인 페이지 (register_view.php) */
.register-detail {
    margin-bottom: 32px;
}

.register-detail h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-orange);
    margin: 0 0 24px;
}

.detail-table {
    margin: 0;
}

.detail-table th {
    width: 200px;
    min-width: 180px;
}

.status {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.status-완료 {
    background: #4CAF50;
    color: #fff;
}

.status-대기 {
    background: #FF9800;
    color: #fff;
}

.status-취소 {
    background: #f44336;
    color: #fff;
}

.complete-message {
    margin-top: 32px;
    padding: 24px;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 8px;
    text-align: center;
}

.complete-message p {
    margin: 8px 0;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.complete-message p:first-child {
    font-weight: 600;
    font-size: 18px;
}

.empty-message {
    text-align: center;
    padding: 48px 24px;
}

.empty-message p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

/* col-narrow 클래스 (register.php) */
.col-narrow {
    width: 150px;
    min-width: 120px;
}

/* ==========================================
   5. 로그인/Alert 페이지
   ========================================== */
.login-form-wrapper {
    max-width: 500px;
    margin: 0 auto;
}

.login-form {
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
}

.frm_input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.frm_input:focus {
    outline: none;
    border-color: var(--accent-orange);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(255, 167, 2, 0.2);
}

.frm_input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-options {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent-orange);
}

.login-footer {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.login-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    font-size: 14px;
}

.login-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.login-links a:hover {
    color: var(--accent-orange);
}

.login-links .divider {
    color: rgba(255, 255, 255, 0.3);
}

.login-notice {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.login-notice p {
    margin: 4px 0;
}

.alert-wrapper {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.alert-message {
    margin-bottom: 32px;
    padding: 24px;
    background: rgba(255, 167, 2, 0.1);
    border: 1px solid rgba(255, 167, 2, 0.3);
    border-radius: 8px;
}

.alert-message p {
    font-size: 18px;
    line-height: 1.8;
    margin: 0;
    word-break: keep-all;
}

/* ==========================================
   6. 반응형 디자인
   ========================================== */

/* 모바일 (1024px 미만) */
@media (max-width: 1023px) {
    /* 히어로 */
    .hero-section {
        padding: 100px 20px 80px;
    }
    
    .hero-title { font-size: 42px; }
    
    .hero-subtitle-ko { font-size: 22px; }
    
    .hero-description p { font-size: 14px; }
    
    .hero-info p { 
        font-size: 13px; 
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .hero-logo {
        height: 28px;
        max-width: 160px;
    }
    
    .hero-organizers {
        gap: 20px;
        margin-top: 24px;
    }
    
    .organizer-label {
        font-size: 14px;
    }
    
    .hero-cta-btn {
        padding: 12px 60px;
        font-size: 15px;
    }
    
    .hero-quick-menu {
        flex-direction: column;
        gap: 12px;
        margin-top: 40px;
    }
    
    .quick-menu-item {
        width: 100%;
        max-width: 280px;
        padding: 12px 24px;
        font-size: 14px;
    }
    
    /* 회장 인사말 */
    .greeting-section {
        padding: 60px 0;
    }
    
    .greeting-text {
        font-size: 16px;
        margin-bottom: 20px;
    }
    
    .greeting-signature {
        margin-top: 32px;
        padding-top: 24px;
        text-align: center;
    }
    
    .greeting-date,
    .greeting-org,
    .greeting-name {
        font-size: 15px;
    }
    
    /* 서브페이지 */
    .page-header {
        margin-bottom: 32px;
        padding-bottom: 16px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .event-main-title {
        font-size: 28px;
    }
    
    .page-subtitle,
    .event-subtitle-en {
        font-size: 18px;
        margin-top: 10px;
    }
    
    .content-body h3 {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .content-body > div {
        margin-bottom: 32px;
    }
    
    th {
        width: 180px;
        min-width: 160px;
        padding: 12px 16px;
        font-size: 14px;
    }
    
    td {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .info-table th {
        width: 180px;
        min-width: 160px;
    }
    
    .btn-primary,
    .btn-secondary {
        display: block;
        width: 100%;
        margin: 8px 0;
    }
    
    .btn-area {
        margin: 32px 0;
    }
    
    /* 사전등록 폼 반응형 (1023px 미만) */
    .form-table th,
    .detail-table th {
        width: 180px;
        min-width: 160px;
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .form-table td,
    .detail-table td {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .form-table input[type="text"],
    .form-table input[type="email"],
    .form-table input[type="tel"] {
        max-width: 100%;
    }
    
    .register-form,
    .payment-info {
        margin-bottom: 32px;
    }
    
    .register-form h3,
    .payment-info h3,
    .register-detail h3 {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .payment-amount,
    .payment-amount-free {
        font-size: 18px;
    }
    
    .agree-area {
        padding: 16px;
        margin-bottom: 24px;
    }
    
    .agree-area label {
        font-size: 14px;
    }
    
    .register-detail {
        margin-bottom: 24px;
    }
    
    .complete-message {
        margin-top: 24px;
        padding: 20px;
    }
    
    .complete-message p:first-child {
        font-size: 16px;
    }
    
    .complete-message p {
        font-size: 15px;
    }
    
    .empty-message {
        padding: 40px 20px;
    }
    
    .empty-message p {
        font-size: 16px;
    }
    
    .col-narrow {
        width: 140px;
        min-width: 120px;
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-submit {
        display: block;
        width: 100%;
        margin: 8px 0;
    }
    
    /* 프로그램 */
    .session-block {
        padding: 24px;
        margin-bottom: 32px;
    }
    
    .session-header {
        margin-bottom: 20px;
        padding-bottom: 12px;
    }
    
    .session-title {
        font-size: 20px;
        gap: 8px;
    }
    
    .session-number {
        font-size: 20px;
    }
    
    .session-name {
        font-size: 18px;
    }
    
    .session-moderator {
        font-size: 15px;
    }
    
    .title-english {
        font-size: 20px;
    }
    
    .title-korean {
        font-size: 16px;
    }
}

/* 모바일 (768px 이하) */
@media (max-width: 768px) {
    .session-block {
        padding: 20px;
        margin-bottom: 24px;
    }
    
    .session-title {
        font-size: 18px;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    
    .session-number {
        font-size: 18px;
    }
    
    .session-name {
        font-size: 16px;
    }
    
    .session-moderator {
        font-size: 14px;
    }
    
    .program-list {
        gap: 20px;
    }
    
    .program-item {
        grid-template-columns: 1fr;
        row-gap: 12px;
        padding: 12px 0;
    }
    
    .program-time {
        grid-column: 1;
        grid-row: 1;
        font-size: 16px;
    }
    
    .program-type {
        grid-column: 1;
        grid-row: 2;
    }
    
    .program-content {
        grid-column: 1;
        grid-row: 2;
    }
    
    .program-item:has(.program-type) .program-content {
        grid-row: 3;
    }
    
    .program-title {
        gap: 4px;
    }
    
    .title-english {
        font-size: 18px;
    }
    
    .title-korean {
        font-size: 15px;
    }
    
    .program-speaker {
        font-size: 14px;
    }
}

/* 모바일 (480px 이하) */
@media (max-width: 480px) {
    /* 히어로 */
    .hero-section {
        min-height: 70vh;
        padding: 80px 16px 50px;
    }
    
    .hero-subtitle-top { font-size: 20px; }
    
    .hero-title { 
        font-size: 36px;
        letter-spacing: -1px;
    }
    
    .hero-subtitle-ko { font-size: 20px; }
    
    .hero-description p { font-size: 13px; }
    
    .hero-info p { 
        font-size: 12px; 
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .hero-logo {
        height: 24px;
        max-width: 140px;
    }
    
    .hero-cta-btn {
        padding: 12px 50px;
        font-size: 14px;
    }
    
    .hero-quick-menu {
        gap: 10px;
        margin-top: 32px;
    }
    
    .quick-menu-item {
        padding: 11px 20px;
        font-size: 13px;
        min-width: auto;
    }
    
    /* 서브페이지 */
    .page-title {
        font-size: 24px;
    }
    
    .page-subtitle {
        font-size: 16px;
        margin-top: 8px;
    }
    
    .content-body h3 {
        font-size: 18px;
    }
    
    .content-body p {
        font-size: 14px;
    }
    
    table {
        font-size: 13px;
    }
    
    th {
        width: 140px;
        min-width: 120px;
        padding: 10px 12px;
        font-size: 13px;
    }
    
    td {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .info-table th {
        width: 140px;
        min-width: 120px;
    }
    
    .event-title-eng {
        font-size: 22px;
    }
    
    .event-title-ko {
        font-size: 20px;
    }
    
    .event-title-section {
        padding-bottom: 24px;
    }
    
    .page-title,
    .event-main-title {
        font-size: 26px;
    }
    
    .page-subtitle,
    .event-subtitle-en {
        font-size: 18px;
    }
    
    .map-area #map {
        height: 300px;
    }
    
    /* 회장 인사말 */
    .greeting-section {
        padding: 50px 0;
    }
    
    .greeting-text {
        font-size: 15px;
        margin-bottom: 16px;
        line-height: 1.8;
    }
    
    .greeting-body {
        margin-bottom: 32px;
    }
    
    .greeting-signature {
        margin-top: 24px;
        padding-top: 20px;
    }
    
    .greeting-date,
    .greeting-org,
    .greeting-name {
        font-size: 14px;
    }
    
    /* 정보 섹션 */
    .info-section {
        margin-bottom: 24px;
    }
    
    .content-body {
        padding: 20px;
    }
    
    .info-list {
        margin: 12px 0;
    }
    
    .info-list li {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .notice-list li {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .info-method {
        font-size: 14px;
        margin-top: 12px;
    }
    
    .notice-text {
        font-size: 12px;
        margin-top: 10px;
    }
    
    /* 프로그램 */
    .session-block {
        padding: 16px;
        margin-bottom: 20px;
    }
    
    .session-header {
        margin-bottom: 16px;
        padding-bottom: 10px;
    }
    
    .session-title {
        font-size: 16px;
        gap: 4px;
    }
    
    .session-number {
        font-size: 16px;
    }
    
    .session-name {
        font-size: 15px;
    }
    
    .session-moderator {
        font-size: 13px;
    }
    
    .title-english {
        font-size: 18px;
    }
    
    .title-korean {
        font-size: 15px;
        margin-left: 2px;
    }
    
    .program-list {
        gap: 16px;
    }
    
    .program-item {
        grid-template-columns: 1fr;
        row-gap: 10px;
        padding: 10px 0;
    }
    
    .program-time {
        grid-column: 1;
        grid-row: 1;
        font-size: 15px;
    }
    
    .program-type {
        grid-column: 1;
        grid-row: 2;
        font-size: 12px;
        padding: 3px 10px;
    }
    
    .program-content {
        grid-column: 1;
        grid-row: 2;
    }
    
    .program-item:has(.program-type) .program-content {
        grid-row: 3;
    }
    
    .program-title {
        gap: 4px;
    }
    
    .title-english {
        font-size: 16px;
    }
    
    .title-korean {
        font-size: 14px;
    }
    
    .program-speaker {
        font-size: 13px;
    }
    
    /* 로그인 페이지 */
    .login-form-wrapper {
        max-width: 100%;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-label {
        font-size: 15px;
        margin-bottom: 6px;
    }
    
    .frm_input {
        padding: 10px 14px;
        font-size: 15px;
    }
    
    .login-links {
        flex-wrap: wrap;
        font-size: 13px;
    }
    
    .login-notice {
        font-size: 13px;
    }
    
    /* 사전등록 폼 반응형 (480px 이하) */
    .register-form,
    .payment-info {
        margin-bottom: 24px;
    }
    
    .register-form h3,
    .payment-info h3,
    .register-detail h3 {
        font-size: 18px;
        margin-bottom: 12px;
    }
    
    .form-table th,
    .detail-table th {
        width: 140px;
        min-width: 120px;
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .form-table td,
    .detail-table td {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .payment-amount,
    .payment-amount-free {
        font-size: 16px;
    }
    
    .agree-area {
        padding: 14px;
        margin-bottom: 20px;
    }
    
    .agree-area label {
        font-size: 13px;
    }
    
    .register-detail {
        margin-bottom: 20px;
    }
    
    .complete-message {
        margin-top: 20px;
        padding: 16px;
    }
    
    .complete-message p:first-child {
        font-size: 15px;
    }
    
    .complete-message p {
        font-size: 14px;
    }
    
    .empty-message {
        padding: 32px 16px;
    }
    
    .empty-message p {
        font-size: 15px;
    }
    
    .col-narrow {
        width: 120px;
        min-width: 100px;
    }
    
    .btn-submit {
        font-size: 15px;
        padding: 12px 24px;
    }
}