/* ========================================
   배정 시스템 - 전역 스타일 & 변수
   ======================================== */

:root {
    /* 호그와트 컬러 팔레트 */
    --color-dark: #1a1a2e;
    --color-darker: #0f0f1e;
    --color-gold: #d4af37;
    --color-gold-light: #f4d03f;
    --color-parchment: #f5e6d3;
    --color-burgundy: #8b0000;
    --color-success: #2ecc71;
    --color-warning: #f39c12;
    --color-danger: #e74c3c;
    
    /* 폰트 */
    --font-title: 'Cinzel', serif;
    --font-medieval: 'MedievalSharp', cursive;
    --font-body: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 그림자 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.5);
}

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

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--color-darker) 0%, var(--color-dark) 100%);
    color: var(--color-parchment);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 마법 배경 효과 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent);
    background-size: 200% 200%;
    animation: sparkle 8s linear infinite;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.6; }
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* ========================================
   헤더
   ======================================== */

.header {
    text-align: center;
    padding: 40px 20px 30px;
    animation: fadeInDown 1s ease-out;
}

.title {
    font-family: var(--font-title);
    font-size: 3rem;
    color: var(--color-gold);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.8),
                 0 4px 8px rgba(0, 0, 0, 0.5);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.subtitle {
    font-family: var(--font-medieval);
    font-size: 1.1rem;
    color: var(--color-parchment);
    opacity: 0.9;
}

/* ========================================
   메인 콘텐츠 - 배정 화면
   ======================================== */

.main-content {
    background: rgba(42, 42, 62, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    margin-bottom: 30px;
}

.sorting-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

/* 모자 이미지 */
.hat-container {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hat-image {
    width: 130%;
    height: 130%;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.hat-image:hover {
    transform: scale(1.05);
}

/* 흔들리는 애니메이션 */
.hat-image.wobbling {
    animation: wobble 3s ease-in-out;
}

@keyframes wobble {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(-10deg); }
    20% { transform: rotate(10deg); }
    30% { transform: rotate(-10deg); }
    40% { transform: rotate(10deg); }
    50% { transform: rotate(-5deg); }
    60% { transform: rotate(5deg); }
    70% { transform: rotate(-5deg); }
    80% { transform: rotate(5deg); }
    90% { transform: rotate(-2deg); }
    95% { transform: rotate(2deg); }
}

/* 입력 섹션 */
.input-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-label {
    font-family: var(--font-medieval);
    font-size: 1.2rem;
    color: var(--color-gold);
    text-align: center;
}

.name-input {
    width: 100%;
    padding: 15px 20px;
    font-size: 1.1rem;
    font-family: var(--font-body);
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-gold);
    border-radius: 10px;
    color: var(--color-parchment);
    text-align: center;
    transition: all 0.3s ease;
}

.name-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-gold);
    transform: scale(1.02);
}

.name-input::placeholder {
    color: rgba(245, 230, 211, 0.5);
}

/* 배정 버튼 */
.sort-button {
    padding: 18px 40px;
    font-family: var(--font-title);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sort-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.sort-button:active {
    transform: translateY(0);
}

.sort-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* 생각하는 텍스트 */
.thinking-text {
    font-family: var(--font-medieval);
    font-size: 1.3rem;
    color: var(--color-gold-light);
    text-align: center;
    min-height: 40px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.thinking-text.hidden {
    display: none;
}

/* 상태 메시지 */
.status-message {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    font-size: 1rem;
    min-height: 50px;
}

.status-message.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid var(--color-danger);
    color: #ff6b6b;
}

.status-message.info {
    background: rgba(52, 152, 219, 0.2);
    border: 1px solid #3498db;
    color: #74b9ff;
}

/* ========================================
   결과 화면
   ======================================== */

.result-screen {
    text-align: center;
    position: relative;
}

.result-screen.hidden {
    display: none;
}

/* Confetti 효과 */
.confetti {
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.confetti.active::before,
.confetti.active::after {
    content: '✨🎉⭐🌟💫';
    position: absolute;
    font-size: 2rem;
    animation: confetti-fall 3s ease-out forwards;
}

.confetti.active::before {
    left: 20%;
    animation-delay: 0s;
}

.confetti.active::after {
    left: 80%;
    animation-delay: 0.5s;
}

@keyframes confetti-fall {
    0% {
        top: -50px;
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

.result-content {
    padding: 20px;
}

.result-title {
    font-family: var(--font-title);
    font-size: 1.8rem;
    color: var(--color-gold);
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out;
}

.result-house {
    font-family: var(--font-title);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold-light);
    text-shadow: var(--shadow-gold);
    margin: 20px 0;
    animation: scaleIn 0.8s ease-out 0.3s both;
}

.result-leader {
    font-family: var(--font-medieval);
    font-size: 1.3rem;
    color: var(--color-parchment);
    margin: 15px 0;
    animation: fadeIn 0.5s ease-out 0.6s both;
}

.result-message {
    font-size: 1.1rem;
    color: var(--color-parchment);
    opacity: 0.9;
    margin-top: 20px;
    line-height: 1.6;
    animation: fadeIn 0.5s ease-out 0.9s both;
}

.reset-button {
    margin-top: 30px;
    padding: 12px 30px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-parchment);
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-gold);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.reset-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ========================================
   실시간 현황판
   ======================================== */

.status-board {
    background: rgba(42, 42, 62, 0.6);
    border: 2px solid var(--color-gold);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(10px);
    margin-bottom: 30px;
}

.board-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 20px;
}

.teams-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.team-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    padding: 15px;
    transition: all 0.3s ease;
}

.team-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-gold);
    transform: translateX(5px);
}

.team-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.team-name {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--color-gold);
}

.team-count {
    font-size: 1rem;
    color: var(--color-parchment);
    background: rgba(212, 175, 55, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
}

.team-members {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.member-badge {
    background: rgba(212, 175, 55, 0.15);
    color: var(--color-parchment);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.9rem;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.loading-text {
    text-align: center;
    color: var(--color-parchment);
    opacity: 0.7;
    font-style: italic;
}

/* ========================================
   관리자 페이지 스타일
   ======================================== */

.admin-body {
    background: linear-gradient(135deg, #1e1e2e 0%, #2d2d44 100%);
}

.admin-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.admin-header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 30px;
}

.admin-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    color: var(--color-gold);
    text-shadow: var(--shadow-gold);
    margin-bottom: 10px;
}

.admin-subtitle {
    font-size: 1.1rem;
    color: var(--color-parchment);
    opacity: 0.8;
}

.admin-main {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.admin-section {
    background: rgba(42, 42, 62, 0.8);
    border: 2px solid var(--color-gold);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(10px);
}

.section-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.section-description {
    color: var(--color-parchment);
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.5;
}

.restriction-config {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-input-label {
    text-align: left;
    font-size: 1rem;
}

.admin-textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 2px solid var(--color-gold);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-parchment);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
}

.admin-textarea:focus {
    outline: none;
    box-shadow: var(--shadow-gold);
    background: rgba(255, 255, 255, 0.12);
}

.config-help-text {
    color: var(--color-parchment);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* 임원 그리드 */
.leaders-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.leader-checkbox {
    cursor: pointer;
}

.leader-input {
    display: none;
}

.leader-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.leader-input:checked + .leader-label {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.leader-icon {
    font-size: 2rem;
}

.leader-name {
    font-size: 1rem;
    color: var(--color-parchment);
    text-align: center;
}

.selected-count {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-gold-light);
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
}

/* 관리자 버튼 */
.admin-button {
    width: 100%;
    padding: 15px 30px;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-button.primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.admin-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
}

.admin-button.warning {
    background: var(--color-warning);
    color: white;
}

.admin-button.warning:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

.admin-button.danger {
    background: var(--color-danger);
    color: white;
}

.admin-button.danger:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* 상태 제어 */
.status-control {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    margin-bottom: 15px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-danger);
    box-shadow: 0 0 10px currentColor;
    transition: all 0.3s ease;
}

.status-indicator.active .status-dot {
    background: var(--color-success);
}

.status-text {
    font-size: 1.1rem;
    color: var(--color-parchment);
    font-weight: 600;
}

/* 토글 스위치 */
.toggle-switch {
    position: relative;
    width: 60px;
    height: 30px;
    display: inline-block;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    transition: 0.4s;
    border-radius: 30px;
    border: 2px solid rgba(212, 175, 55, 0.5);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--color-success);
    border-color: var(--color-success);
}

input:checked + .toggle-slider:before {
    transform: translateX(30px);
}

.status-info {
    text-align: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: var(--color-parchment);
    font-size: 0.95rem;
}

/* 데이터 관리 버튼 */
.admin-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 통계 그리드 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-gold);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-parchment);
    opacity: 0.8;
    margin-bottom: 10px;
}

.stat-value {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--color-gold-light);
    font-weight: 700;
}

/* 조별 상세 정보 */
.teams-detail {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.team-detail-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    padding: 15px;
}

.team-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.team-detail-name {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--color-gold);
}

.team-detail-count {
    font-size: 0.9rem;
    color: var(--color-parchment);
    background: rgba(212, 175, 55, 0.2);
    padding: 4px 10px;
    border-radius: 15px;
}

.team-detail-members {
    font-size: 0.95rem;
    color: var(--color-parchment);
    line-height: 1.6;
}

/* ========================================
   애니메이션
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   반응형 (모바일 최적화)
   ======================================== */

@media (max-width: 768px) {
    .title {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .main-content {
        padding: 30px 20px;
    }
    
    .hat-container {
        width: 150px;
        height: 150px;
    }
    
    .result-house {
        font-size: 2.2rem;
    }
    
    .admin-title {
        font-size: 2rem;
    }
    
    .leaders-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container,
    .admin-container {
        padding: 15px;
    }
    
    .title {
        font-size: 1.8rem;
    }
    
    .main-content,
    .admin-section {
        padding: 20px 15px;
    }
    
    .sort-button {
        font-size: 1.1rem;
        padding: 15px 30px;
    }
}

/* 숨김 클래스 */
.hidden {
    display: none !important;
}

/* ========================================
   탭 네비게이션
   ======================================== */

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

.tab-button {
    padding: 12px 30px;
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-parchment);
    background: rgba(42, 42, 62, 0.6);
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.tab-button:hover {
    background: rgba(42, 42, 62, 0.8);
    border-color: var(--color-gold);
    transform: translateY(-2px);
}

.tab-button.active {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    color: var(--color-dark);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========================================
   자리 뽑기 전용 스타일
   ======================================== */

.seat-icon {
    font-size: 120px;
    margin: 20px 0;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.seat-number {
    font-size: 8rem !important;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    margin: 20px 0;
}

/* 자리 뽑기 결과 화면 - 뽑힌 사람 이름 */
.result-seat-name {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-parchment);
    margin: 8px 0 16px;
    letter-spacing: 0.02em;
}

/* 자리 현황판: 배치도 뷰 */
.seat-view-toggle {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
}

.seat-view-toggle .toggle-btn {
    padding: 8px 20px;
    border: 2px solid var(--color-gold);
    border-radius: 8px;
    background: rgba(42, 42, 62, 0.6);
    color: var(--color-parchment);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.seat-view-toggle .toggle-btn:hover {
    background: rgba(62, 62, 82, 0.8);
    border-color: var(--color-gold-light);
}

.seat-view-toggle .toggle-btn.active {
    background: var(--color-gold);
    color: var(--color-ink);
    border-color: var(--color-gold);
}

.seat-map-wrap {
    max-width: 980px;
    margin: 0 auto;
}

/* 관리자: 배치도와 상세 결과 목록 간격 */
#adminSeatMapView + #seatsDetail {
    margin-top: 16px;
}

.seat-layout {
    width: 100%;
    background: #e4e4e4;
    border-radius: 12px;
    border: 2px solid var(--color-gold);
    padding: 18px;
    color: #1f1f1f;
}

.seat-stage {
    width: 130px;
    margin: 2px auto 16px;
    padding: 10px 0;
    text-align: center;
    background: #cfcfcf;
    font-weight: 800;
    border-radius: 2px;
}

/* 상단 1~4번: 왼쪽 빈 칸 2열 + 오른쪽 2열(메인 그리드 한 열과 동일 너비) */
.seat-top-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr 2fr;
    gap: 10px;
}

/* 1~4번 자리를 오른쪽 두 칸에 배치 (빈 칸은 왼쪽) */
.seat-top-grid .seat-slot:nth-child(1) { grid-column: 3; }
.seat-top-grid .seat-slot:nth-child(2) { grid-column: 4; }
.seat-top-grid .seat-slot:nth-child(3) { grid-column: 1; }
.seat-top-grid .seat-slot:nth-child(4) { grid-column: 2; }
.seat-top-grid .seat-slot:nth-child(5) { grid-column: 3; }
.seat-top-grid .seat-slot:nth-child(6) { grid-column: 4; }

.seat-aisle {
    text-align: center;
    font-weight: 800;
    margin: 8px 0 12px;
}

.seat-main-grid {
    display: grid;
    grid-template-columns: minmax(90px, 1fr) minmax(90px, 1fr) minmax(95px, 1fr);
    gap: 10px;
    align-items: start;
}

.seat-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.seat-slot {
    min-height: 44px;
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    text-align: center;
}

.seat-slot-numbered {
    background: #d0d0d0;
    border: 2px solid #d0d0d0;
    transition: all 0.2s ease;
}

.seat-slot-numbered.available {
    opacity: 0.95;
}

.seat-slot-numbered.assigned {
    background: rgba(46, 204, 113, 0.9);
    border-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.seat-slot-label {
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1;
    color: #1f1f1f;
}

.seat-slot-name {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.15;
    color: #1f1f1f;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 88px;
}

.seat-slot-team {
    min-height: 86px;
    background: #d0d0d0;
    font-weight: 800;
}

.seat-slot-17 {
    margin-top: 8px;
}

.seat-grid-wrap.hidden {
    display: none;
}

.seat-map-wrap.hidden {
    display: none;
}

/* 자리 현황판 그리드 */
.seats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.seat-card {
    background: rgba(42, 42, 62, 0.6);
    border: 2px solid var(--color-gold);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.seat-card.assigned {
    background: rgba(46, 204, 113, 0.2);
    border-color: var(--color-success);
}

.seat-card.available {
    opacity: 0.5;
}

.seat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.seat-number-display {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.seat-card.assigned .seat-number-display {
    color: var(--color-success);
}

.seat-leader-name {
    font-size: 1rem;
    color: var(--color-parchment);
    font-weight: 600;
    margin-top: 6px;
    min-height: 1.4em;
}

.seat-card.assigned .seat-leader-name {
    color: var(--color-gold-light);
}

@media (max-width: 768px) {
    .seat-layout {
        padding: 12px;
    }

    .seat-top-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(60px, 2fr) minmax(60px, 2fr);
    }

    /* 갤럭시 울트라 등 좁은 폭에서도 3열 유지 (오른쪽 한 줄이 아래로 내려가지 않음) */
    .seat-main-grid {
        grid-template-columns: minmax(60px, 1fr) minmax(60px, 1fr) minmax(60px, 1fr);
    }

    .seat-slot {
        min-height: 40px;
    }

    .seat-slot-label,
    .seat-slot-name {
        font-size: 0.85rem;
    }

    .seat-slot-team {
        min-height: 58px;
    }

    .seats-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 10px;
    }
    
    .seat-card {
        padding: 15px 10px;
    }
    
    .seat-number-display {
        font-size: 2rem;
    }
    
    .seat-number {
        font-size: 5rem !important;
    }
    
    .tab-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .tab-button {
        width: 100%;
    }
}