/**
 * Joyn Broadcast Styles
 * 방송 시스템 기본 스타일
 * 
 * @package Joyn_Broadcast
 * @since 1.0.0
 */

/* ============================================
   CSS 변수
   ============================================ */

:root {
    /* 색상 변수 */
    --joyn-broadcast-primary: #ff0000;
    --joyn-broadcast-secondary: #cc0000;
    --joyn-broadcast-bg: #0f0f0f;
    --joyn-broadcast-bg-light: #1a1a1a;
    --joyn-broadcast-text: #ffffff;
    --joyn-broadcast-text-secondary: #aaaaaa;
    --joyn-broadcast-border: #3f3f3f;
    --joyn-broadcast-success: #00c853;
    --joyn-broadcast-warning: #ff9800;
    --joyn-broadcast-error: #f44336;
    
    /* 자동 반응형 Spacing (clamp() 기반) */
    --joyn-space-xs: clamp(0.25rem, 1.5vw, 0.75rem);
    --joyn-space-sm: clamp(0.5rem, 2.5vw, 1.25rem);
    --joyn-space-md: clamp(1rem, 4vw, 2.5rem);
    --joyn-space-lg: clamp(1.5rem, 6vw, 4rem);
    --joyn-space-xl: clamp(2rem, 8vw, 5rem);
    
    /* 자동 반응형 Typography (clamp() 기반) */
    --joyn-text-xs: clamp(0.75rem, 2vw, 0.875rem);
    --joyn-text-sm: clamp(0.875rem, 2.5vw, 1rem);
    --joyn-text-base: clamp(1rem, 3.5vw, 1.25rem);
    --joyn-text-lg: clamp(1.125rem, 4vw, 1.5rem);
    --joyn-text-xl: clamp(1.25rem, 5vw, 1.75rem);
    --joyn-text-2xl: clamp(1.5rem, 6vw, 2.25rem);
    
    /* 자동 반응형 Layout (clamp() 기반) */
    --joyn-container: clamp(320px, 92vw, 1200px);
    --joyn-card-width: clamp(280px, 45vw, 400px);
    --joyn-card-min-width: clamp(280px, 45vw, 400px);
    
    /* 자동 반응형 Border Radius */
    --joyn-radius-sm: clamp(0.25rem, 1vw, 0.5rem);
    --joyn-radius-md: clamp(0.5rem, 2vw, 1rem);
    --joyn-radius-lg: clamp(0.75rem, 3vw, 1.5rem);
}

/* 라이트 테마 */
[data-theme="light"] {
    --joyn-broadcast-bg: #ffffff;
    --joyn-broadcast-bg-light: #f5f5f5;
    --joyn-broadcast-text: #212121;
    --joyn-broadcast-text-secondary: #666666;
    --joyn-broadcast-border: #e0e0e0;
}

/* ============================================
   라이브 플레이어 컨테이너
   ============================================ */

.joyn-live-player-container {
    width: 100%;
    max-width: 100%;
    background: var(--joyn-broadcast-bg);
    color: var(--joyn-broadcast-text);
    border-radius: clamp(0px, 1vw, 8px); /* 모바일에서 0, 데스크탑에서 8px */
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.joyn-live-player-wrapper {
    position: relative;
}

/* ============================================
   라이브 정보
   ============================================ */

.joyn-live-info {
    padding: clamp(10px, 2.5vw, 16px) clamp(12px, 3vw, 20px);
    background: var(--joyn-broadcast-bg-light);
    border-bottom: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
    display: flex;
    align-items: center;
    gap: clamp(8px, 1.5vw, 12px);
    flex-wrap: wrap;
}

.joyn-live-title {
    flex: 1;
    margin: 0;
    font-size: clamp(14px, 3vw, 18px);
    font-weight: 600;
    line-height: 1.4;
    width: 100%;
}

.joyn-live-badge {
    display: inline-flex;
    align-items: center;
    gap: clamp(2px, 0.5vw, 4px);
    padding: clamp(2px, 0.5vw, 4px) clamp(8px, 1.5vw, 12px);
    background: var(--joyn-broadcast-primary);
    color: white;
    font-size: clamp(11px, 2vw, 14px);
    font-weight: 600;
    border-radius: clamp(2px, 0.5vw, 4px);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.joyn-viewer-count {
    display: inline-flex;
    align-items: center;
    gap: clamp(2px, 0.5vw, 4px);
    font-size: clamp(12px, 2vw, 14px);
    color: var(--joyn-broadcast-text-secondary);
}

/* ============================================
   플레이어 프레임
   ============================================ */

.joyn-player-frame {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    background: #000;
    overflow: hidden;
}

.joyn-player-frame iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   라이브 상태
   ============================================ */

.joyn-live-status {
    display: inline-flex;
    align-items: center;
    gap: clamp(4px, 1vw, 8px);
    padding: clamp(6px, 1.5vw, 8px) clamp(12px, 2.5vw, 16px);
    border-radius: clamp(2px, 0.5vw, 4px);
    font-size: clamp(12px, 2vw, 14px);
    font-weight: 500;
}

.joyn-live-status.status-live {
    background: rgba(255, 0, 0, 0.1);
    color: var(--joyn-broadcast-primary);
}

.joyn-live-status.status-scheduled {
    background: rgba(255, 152, 0, 0.1);
    color: var(--joyn-broadcast-warning);
}

.joyn-live-status.status-ended {
    background: rgba(158, 158, 158, 0.1);
    color: var(--joyn-broadcast-text-secondary);
}

.joyn-live-status.status-offline {
    background: rgba(96, 96, 96, 0.1);
    color: var(--joyn-broadcast-text-secondary);
}

.joyn-live-indicator {
    display: inline-block;
    width: clamp(6px, 1vw, 8px);
    height: clamp(6px, 1vw, 8px);
    background: var(--joyn-broadcast-primary);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

/* ============================================
   채팅 컨테이너
   ============================================ */

.joyn-live-chat-container {
    border-top: 1px solid var(--joyn-broadcast-border);
}

.joyn-live-chat {
    display: flex;
    flex-direction: column;
    height: clamp(300px, 50vw, 500px);
    background: var(--joyn-broadcast-bg-light);
}

.joyn-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(10px, 2vw, 12px) clamp(15px, 2.5vw, 16px);
    border-bottom: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
}

.joyn-chat-header h3 {
    margin: 0;
    font-size: clamp(14px, 2.5vw, 16px);
    font-weight: 600;
}

.joyn-chat-count {
    padding: clamp(2px, 0.3vw, 2px) clamp(6px, 1vw, 8px);
    background: var(--joyn-broadcast-bg);
    border-radius: clamp(8px, 1.5vw, 12px);
    font-size: clamp(11px, 1.8vw, 12px);
    color: var(--joyn-broadcast-text-secondary);
}

/* ============================================
   채팅 메시지
   ============================================ */

.joyn-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: clamp(8px, 1.5vw, 12px);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.joyn-chat-message {
    padding: clamp(6px, 1.5vw, 8px) clamp(10px, 2vw, 12px);
    margin-bottom: clamp(6px, 1.5vw, 8px);
    border-radius: clamp(2px, 0.5vw, 4px);
    background: var(--joyn-broadcast-bg);
    transition: opacity 0.3s;
}

.joyn-message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.joyn-author-avatar {
    width: clamp(20px, 3vw, 24px);
    height: clamp(20px, 3vw, 24px);
    border-radius: 50%;
}

.joyn-author-name {
    font-size: clamp(12px, 2vw, 13px);
    font-weight: 600;
    color: var(--joyn-broadcast-text);
}

.joyn-badge {
    display: inline-block;
    padding: clamp(1px, 0.3vw, 2px) clamp(4px, 0.8vw, 6px);
    font-size: clamp(9px, 1.3vw, 10px);
    font-weight: 600;
    border-radius: clamp(2px, 0.5vw, 3px);
    text-transform: uppercase;
}

.joyn-badge-owner {
    background: var(--joyn-broadcast-primary);
    color: white;
}

.joyn-badge-moderator {
    background: #1e88e5;
    color: white;
}

.joyn-badge-sponsor {
    background: #00c853;
    color: white;
}

.joyn-badge-verified {
    background: #2196f3;
    color: white;
}

.joyn-message-content {
    font-size: clamp(12px, 2.5vw, 14px);
    line-height: 1.5;
    color: var(--joyn-broadcast-text);
    word-wrap: break-word;
}

.joyn-message-content a {
    color: #2196f3;
    text-decoration: none;
}

.joyn-message-content a:hover {
    text-decoration: underline;
}

.joyn-message-time {
    font-size: clamp(10px, 1.5vw, 11px);
    color: var(--joyn-broadcast-text-secondary);
    margin-top: clamp(2px, 0.5vw, 4px);
}

/* ============================================
   채팅 입력
   ============================================ */

.joyn-chat-input {
    display: flex;
    gap: clamp(6px, 1.5vw, 8px);
    padding: clamp(10px, 2vw, 12px);
    border-top: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
    background: var(--joyn-broadcast-bg);
}

.joyn-chat-input textarea {
    flex: 1;
    padding: clamp(6px, 1.5vw, 8px) clamp(10px, 2vw, 12px);
    border: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
    border-radius: clamp(2px, 0.5vw, 4px);
    background: var(--joyn-broadcast-bg-light);
    color: var(--joyn-broadcast-text);
    font-size: clamp(12px, 2.5vw, 14px);
    font-family: inherit;
    resize: none;
    outline: none;
}

.joyn-chat-input textarea:focus {
    border-color: var(--joyn-broadcast-primary);
}

.joyn-send-btn {
    display: inline-flex;
    align-items: center;
    gap: clamp(2px, 0.5vw, 4px);
    padding: clamp(6px, 1.5vw, 8px) clamp(12px, 2.5vw, 16px);
    background: var(--joyn-broadcast-primary);
    color: white;
    border: none;
    border-radius: clamp(2px, 0.5vw, 4px);
    font-size: clamp(12px, 2.5vw, 14px);
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

.joyn-send-btn:hover {
    background: var(--joyn-broadcast-secondary);
}

.joyn-send-btn:disabled {
    background: var(--joyn-broadcast-border);
    cursor: not-allowed;
}

.joyn-chat-login {
    padding: clamp(15px, 3vw, 20px);
    text-align: center;
    background: var(--joyn-broadcast-bg);
    border-top: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
}

.joyn-chat-login a {
    color: var(--joyn-broadcast-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ============================================
   스케줄
   ============================================ */

.joyn-schedule-container {
    padding: clamp(15px, 3vw, 20px);
    background: var(--joyn-broadcast-bg);
}

.joyn-schedule-title {
    margin: 0 0 clamp(12px, 2.5vw, 16px) 0;
    font-size: clamp(16px, 3.5vw, 20px);
    font-weight: 600;
}

.joyn-schedule-list {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1.5vw, 12px);
}

.joyn-schedule-item {
    display: flex;
    gap: clamp(12px, 2.5vw, 16px);
    padding: clamp(12px, 2.5vw, 16px);
    background: var(--joyn-broadcast-bg-light);
    border: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
    border-radius: clamp(4px, 1vw, 8px);
    transition: transform 0.2s;
    flex-direction: column;
}

@media (min-width: 480px) {
    .joyn-schedule-item {
        flex-direction: row;
    }
}

.joyn-schedule-item:hover {
    transform: translateY(-2px);
    border-color: var(--joyn-broadcast-primary);
}

.joyn-schedule-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: clamp(50px, 8vw, 60px);
    padding: clamp(6px, 1.5vw, 8px);
    background: var(--joyn-broadcast-bg);
    border-radius: clamp(2px, 0.5vw, 4px);
}

@media (max-width: 480px) {
    .joyn-schedule-date {
        width: 100%;
        flex-direction: row;
        justify-content: flex-start;
        gap: clamp(6px, 1.5vw, 8px);
    }
}

.joyn-day {
    font-size: clamp(20px, 4vw, 24px);
    font-weight: 700;
    line-height: 1;
}

.joyn-month {
    font-size: clamp(11px, 1.8vw, 12px);
    text-transform: uppercase;
    color: var(--joyn-broadcast-text-secondary);
}

.joyn-schedule-info {
    flex: 1;
}

.joyn-schedule-info h4 {
    margin: 0 0 clamp(6px, 1.5vw, 8px) 0;
    font-size: clamp(15px, 2.5vw, 16px);
    font-weight: 600;
}

.joyn-schedule-time {
    display: flex;
    align-items: center;
    gap: clamp(2px, 0.5vw, 4px);
    font-size: clamp(12px, 2.5vw, 14px);
    color: var(--joyn-broadcast-text-secondary);
    margin-bottom: clamp(2px, 0.5vw, 4px);
}

.joyn-schedule-desc {
    font-size: clamp(12px, 2vw, 13px);
    color: var(--joyn-broadcast-text-secondary);
    margin: 0;
}

.joyn-schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(250px, 40vw, 300px), 1fr));
    gap: clamp(12px, 2.5vw, 16px);
}

.joyn-schedule-card {
    padding: clamp(12px, 2.5vw, 16px);
    background: var(--joyn-broadcast-bg-light);
    border: clamp(1px, 0.3vw, 1px) solid var(--joyn-broadcast-border);
    border-radius: clamp(4px, 1vw, 8px);
    transition: transform 0.2s;
}

.joyn-schedule-card:hover {
    transform: translateY(-2px);
}

/* ============================================
   카운트다운
   ============================================ */

.joyn-countdown {
    padding: clamp(15px, 3vw, 20px);
    text-align: center;
}

.joyn-countdown-full {
    display: flex;
    justify-content: center;
    gap: clamp(8px, 2vw, 16px);
}

.joyn-countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(12px, 2.5vw, 16px);
    background: var(--joyn-broadcast-bg-light);
    border-radius: clamp(4px, 1vw, 8px);
    min-width: clamp(60px, 10vw, 80px);
}

.joyn-countdown-value {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 700;
    line-height: 1;
    color: var(--joyn-broadcast-primary);
    transition: transform 0.3s;
}

.joyn-countdown-value.updating {
    transform: scale(1.1);
}

.joyn-countdown-label {
    margin-top: clamp(6px, 1.5vw, 8px);
    font-size: clamp(11px, 1.8vw, 12px);
    text-transform: uppercase;
    color: var(--joyn-broadcast-text-secondary);
}

.joyn-countdown-compact {
    font-size: clamp(16px, 3vw, 18px);
    font-weight: 600;
}

.joyn-countdown-simple {
    font-size: clamp(14px, 2.5vw, 16px);
}

.joyn-countdown-ended {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(8px, 1.5vw, 12px);
    padding: clamp(15px, 3vw, 20px);
}

.joyn-ended-icon {
    font-size: clamp(36px, 7vw, 48px);
}

.joyn-ended-text {
    font-size: clamp(16px, 3vw, 18px);
    font-weight: 600;
    color: var(--joyn-broadcast-primary);
}

/* ============================================
   알림
   ============================================ */

.joyn-notifications {
    position: fixed;
    top: clamp(10px, 2.5vw, 20px);
    right: clamp(10px, 2.5vw, 20px);
    left: clamp(10px, 2.5vw, 20px);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: clamp(6px, 1.5vw, 8px);
}

@media (min-width: 480px) {
    .joyn-notifications {
        left: auto;
    }
}

.joyn-notification {
    padding: clamp(10px, 2vw, 12px) clamp(15px, 3vw, 20px);
    border-radius: clamp(2px, 0.5vw, 4px);
    font-size: clamp(12px, 2.5vw, 14px);
    font-weight: 500;
    box-shadow: 0 clamp(1px, 0.3vw, 2px) clamp(4px, 1.5vw, 8px) rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s;
}

.joyn-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.joyn-notification-success {
    background: var(--joyn-broadcast-success);
    color: white;
}

.joyn-notification-error {
    background: var(--joyn-broadcast-error);
    color: white;
}

.joyn-notification-warning {
    background: var(--joyn-broadcast-warning);
    color: white;
}

.joyn-notification-info {
    background: var(--joyn-broadcast-bg-light);
    color: var(--joyn-broadcast-text);
    border: 1px solid var(--joyn-broadcast-border);
}

/* ============================================
   로딩
   ============================================ */

.joyn-loading {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
}

.joyn-spinner {
    width: clamp(32px, 6vw, 40px);
    height: clamp(32px, 6vw, 40px);
    border: clamp(3px, 0.6vw, 4px) solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--joyn-broadcast-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   스크롤바
   ============================================ */

.joyn-chat-messages::-webkit-scrollbar {
    width: clamp(4px, 0.8vw, 8px);
}

.joyn-chat-messages::-webkit-scrollbar-track {
    background: var(--joyn-broadcast-bg);
}

.joyn-chat-messages::-webkit-scrollbar-thumb {
    background: var(--joyn-broadcast-border);
    border-radius: clamp(2px, 0.5vw, 4px);
}

.joyn-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--joyn-broadcast-text-secondary);
}

/* ============================================
   최소한의 미디어 쿼리 (레이아웃 구조 변경용만)
   ============================================ */

/* 스케줄 그리드를 단일 컬럼으로 변경 (필수) */
@media (max-width: 768px) {
    .joyn-schedule-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   유틸리티
   ============================================ */

.joyn-hidden {
    display: none !important;
}

.joyn-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   카테고리 바로가기 링크
   ============================================ */

.joyn-category-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--category-color, #667eea);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.joyn-category-link:hover {
    background: var(--category-color, #5a67d8);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    color: white;
    text-decoration: none;
}

.joyn-category-link i {
    font-size: 1.2em;
}

@media (max-width: 768px) {
    .joyn-category-link {
        padding: 8px 16px;
        font-size: 0.9em;
    }
}