/**
 * Ponpon Learning System CSS
 * 参考 teco-lab.com 设计 - Mobile First
 * DIVI Theme Compatible
 */

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --blue: #3b82f6;
    --orange: #ea580c;
    --red: #ef4444;
    --yellow: #fbbf24;
    --green: #22c55e;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --white: #fff;
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);
}

/* ===== DIVI Theme Reset ===== */
.ponpon-player-container,
.ponpon-player-container * {
    box-sizing: border-box !important;
}

.ponpon-player-container div,
.ponpon-player-container span,
.ponpon-player-container h1,
.ponpon-player-container h2,
.ponpon-player-container h3,
.ponpon-player-container p,
.ponpon-player-container a,
.ponpon-player-container button {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
}

.ponpon-player-container button {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* ===== Base ===== */
.ponpon-player-container {
    font-family: var(--font) !important;
    color: var(--gray-800) !important;
    background: var(--white) !important;
    line-height: 1.5 !important;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    max-width: 100% !important;
}

/* ===== Header ===== */
.ponpon-episode-header {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    padding: 12px 16px;
    padding-left: calc(16px + var(--safe-area-inset-left));
    padding-right: calc(16px + var(--safe-area-inset-right));
    border-bottom: 1px solid var(--gray-200);
    gap: 16px;
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 100;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.ponpon-episode-header::-webkit-scrollbar {
    display: none;
}

.ponpon-nav-left {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-600);
    flex-shrink: 0;
}

.ponpon-nav-link {
    color: var(--gray-600);
    text-decoration: none;
    padding: 4px 0;
    white-space: nowrap;
}

.ponpon-nav-link:hover {
    color: var(--primary);
}

.ponpon-nav-divider {
    color: var(--gray-300);
}

.ponpon-episode-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--gray-800);
    white-space: nowrap;
    flex-shrink: 0;
}

.ponpon-nav-right {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* Header Toolbar (integrated panel controls) */
.ponpon-header-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

.ponpon-header-toolbar .ponpon-panel-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
}

.ponpon-header-toolbar .ponpon-toolbar-icons {
    display: flex;
    gap: 6px;
}

.ponpon-header-toolbar .ponpon-subtitle-modes {
    display: flex;
    gap: 6px;
}

.ponpon-icon-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    background: var(--white);
    cursor: pointer;
    font-size: 16px;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-appearance: none;
    touch-action: manipulation;
    transition: all 0.15s;
}

.ponpon-icon-btn:active {
    transform: scale(0.95);
    background: var(--gray-100);
}

.ponpon-icon-btn .icon-fav { display: none; }
.ponpon-icon-btn.active .icon-unfav { display: none; }
.ponpon-icon-btn.active .icon-fav { display: inline; color: var(--yellow); }

.ponpon-checkin-btn .icon-checked { display: none; }
.ponpon-checkin-btn.checked {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.ponpon-checkin-btn.checked .icon-unchecked { display: none; }
.ponpon-checkin-btn.checked .icon-checked { display: inline; }

/* ===== Main Layout ===== */
.ponpon-player-wrapper {
    display: flex;
    flex-direction: column;
}

.ponpon-video-section {
    width: 100%;
    padding: 12px 16px;
    padding-left: calc(12px + var(--safe-area-inset-left));
    padding-right: calc(12px + var(--safe-area-inset-right));
}

.ponpon-subtitle-panel {
    width: 100%;
    border-top: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    min-height: 300px;
    background: var(--white);
}

/* ===== Video ===== */
.ponpon-video-wrapper {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}

.ponpon-video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
}

.ponpon-video-placeholder {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a1a;
    color: var(--gray-400);
    font-size: 14px;
}

/* ===== Controls ===== */
.ponpon-controls-bar {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 16px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 8px 4px;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.ponpon-ctrl-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    width: 44px;
    height: 44px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    -webkit-appearance: none;
    touch-action: manipulation;
    transition: all 0.15s;
    flex-shrink: 0;
}

.ponpon-ctrl-btn:active {
    transform: scale(0.92);
}

.ponpon-ctrl-btn.active {
    background: var(--blue);
}

.ponpon-ctrl-btn.active .ponpon-ctrl-icon,
.ponpon-ctrl-btn.active .ponpon-ctrl-label {
    color: var(--white);
}

.ponpon-ctrl-icon {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1;
}

.ponpon-ctrl-label {
    font-size: 8px;
    color: var(--gray-500);
    margin-top: 2px;
    white-space: nowrap;
}

.ponpon-play-btn {
    background: var(--primary);
    min-width: 48px;
    width: 48px;
    height: 48px;
}

.ponpon-play-btn:active {
    background: var(--primary-dark);
}

.ponpon-play-btn .ponpon-ctrl-icon,
.ponpon-play-btn .ponpon-ctrl-label {
    color: var(--white);
}

/* ===== Current Subtitle Box ===== */
.ponpon-current-box {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    min-height: 80px;
}

.ponpon-current-en {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 10px;
    color: var(--gray-800);
}

.ponpon-current-zh {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ===== Episode Info ===== */
.ponpon-episode-info {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--gray-500);
}

.ponpon-speaker {
    color: var(--primary);
}

/* ===== Panel Toolbar - 参考サイトと同じ ===== */
.ponpon-panel-toolbar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 16px;
    padding-left: calc(16px + var(--safe-area-inset-left));
    padding-right: calc(16px + var(--safe-area-inset-right));
    border-bottom: 1px solid var(--gray-100);
    gap: 12px;
    flex-wrap: nowrap;
}

.ponpon-panel-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    flex-shrink: 0;
}

.ponpon-toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
}

.ponpon-toolbar-icons {
    display: flex;
    gap: 6px;
}

.ponpon-toolbar-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-appearance: none;
}

.ponpon-toolbar-btn:hover {
    background: var(--gray-100);
}

/* Mode Buttons - 参考サイトと同じスタイル */
.ponpon-subtitle-modes {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.ponpon-subtitle-modes::-webkit-scrollbar {
    display: none;
}

.ponpon-mode-btn {
    padding: 6px 14px;
    border: none;
    border-radius: 20px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    -webkit-appearance: none;
    transition: all 0.15s;
}

.ponpon-mode-btn:active {
    transform: scale(0.95);
}

.ponpon-mode-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* ===== Subtitle List ===== */
.ponpon-subtitle-list {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    min-height: 300px;
}

.ponpon-subtitle-item {
    padding: 16px;
    padding-left: calc(16px + var(--safe-area-inset-left));
    padding-right: calc(16px + var(--safe-area-inset-right));
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: background 0.15s;
}

.ponpon-subtitle-item:hover {
    background: var(--gray-50);
}

.ponpon-subtitle-item:active {
    background: var(--gray-100);
}

.ponpon-subtitle-item.active {
    background: #fffbeb;
    border-left: 4px solid var(--yellow);
    padding-left: calc(12px + var(--safe-area-inset-left));
}

.ponpon-subtitle-content {
    margin-bottom: 12px;
}

.ponpon-subtitle-en {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 6px;
    color: var(--gray-800);
}

.ponpon-subtitle-zh {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

.ponpon-subtitle-footer {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ponpon-subtitle-index {
    font-size: 13px;
    color: var(--gray-400);
    min-width: 20px;
}

.ponpon-subtitle-actions {
    display: flex;
    gap: 4px;
}

.ponpon-sub-action {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    color: var(--gray-400);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-appearance: none;
    transition: all 0.15s;
}

.ponpon-sub-action:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.ponpon-sub-action:active {
    transform: scale(0.9);
}

.ponpon-sub-action.liked {
    color: var(--red);
}

.ponpon-subtitle-time {
    font-size: 12px;
    color: var(--gray-400);
    margin-left: auto;
}

/* ===== Word Highlighting - 参考サイトの配色 ===== */
.ponpon-word {
    cursor: pointer;
    transition: all 0.15s;
    padding: 2px 6px;
    border-radius: 4px;
    margin: 0 1px;
}

.ponpon-word:hover {
    opacity: 0.8;
}

/* Orange - phrases/expressions */
.ponpon-word.highlight-orange {
    background: #fed7aa;
    color: #c2410c;
}

/* Green - verbs/phrasal verbs */
.ponpon-word.highlight-green {
    background: #bbf7d0;
    color: #15803d;
}

/* Red - key words/nouns */
.ponpon-word.highlight-red {
    background: #fecaca;
    color: #b91c1c;
}

/* Yellow - vocabulary words */
.ponpon-word.in-vocabulary,
.ponpon-word.vocab {
    background: #fef08a;
    color: #a16207;
}

/* Speaking highlight */
.ponpon-word.speaking {
    background: var(--primary);
    color: var(--white);
}

/* Dictation hidden */
.dictation-hidden {
    background: var(--gray-200);
    color: transparent;
    user-select: none;
    padding: 4px 40px;
    border-radius: 4px;
    cursor: pointer;
}

.dictation-hidden:hover,
.dictation-hidden:active {
    background: transparent;
    color: var(--gray-800);
}

/* Fill blank */
.fillblank-word {
    display: inline-block;
    min-width: 60px;
    border-bottom: 2px dashed var(--gray-400);
    text-align: center;
    padding: 2px 8px;
    margin: 0 2px;
}

/* ===== Dictionary Popup ===== */
.ponpon-dictionary-popup {
    position: fixed;
    z-index: 10000;
    background: var(--white);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.2);
    left: 0;
    right: 0;
    bottom: 0;
    max-height: 70vh;
    animation: slideUp 0.25s ease;
    padding-bottom: var(--safe-area-inset-bottom);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.ponpon-popup-header {
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary), #059669);
    color: var(--white);
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ponpon-popup-word {
    font-size: 22px;
    font-weight: 600;
}

.ponpon-popup-phonetic {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 2px;
}

.ponpon-popup-close {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-appearance: none;
}

.ponpon-popup-content {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(70vh - 80px);
}

.ponpon-popup-pos {
    display: inline-block;
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: 12px;
}

.ponpon-popup-translation {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    color: var(--white);
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 16px;
}

.ponpon-popup-example {
    background: var(--gray-50);
    padding: 14px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.ponpon-popup-example-en {
    color: var(--gray-700);
    margin-bottom: 4px;
    font-size: 14px;
}

.ponpon-popup-example-zh {
    color: var(--gray-500);
    font-size: 13px;
}

.ponpon-popup-actions {
    display: flex;
    gap: 10px;
}

.ponpon-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 18px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 14px;
    cursor: pointer;
    -webkit-appearance: none;
    transition: all 0.15s;
}

.ponpon-btn:active {
    transform: scale(0.98);
    background: var(--primary-dark);
}

.ponpon-btn-outline {
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
}

.ponpon-btn-outline:active {
    background: var(--gray-50);
}

/* ===== Modal ===== */
.ponpon-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.ponpon-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.ponpon-modal-container {
    position: relative;
    background: var(--white);
    border-radius: 20px 20px 0 0;
    width: 100%;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideUp 0.3s ease;
    padding-bottom: var(--safe-area-inset-bottom);
}

@keyframes modalSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.ponpon-modal-header {
    background: linear-gradient(135deg, var(--primary), #059669);
    color: var(--white);
    padding: 24px 20px;
    border-radius: 20px 20px 0 0;
}

.ponpon-modal-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ponpon-modal-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.ponpon-modal-body {
    padding: 20px;
}

.ponpon-checkin-note {
    width: 100%;
    height: 120px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 14px 16px;
    font-size: 16px;
    font-family: inherit;
    resize: none;
    -webkit-appearance: none;
}

.ponpon-checkin-note:focus {
    outline: none;
    border-color: var(--primary);
}

.ponpon-checkin-note::placeholder {
    color: var(--gray-400);
}

.ponpon-modal-footer {
    padding: 16px 20px 20px;
    display: flex;
    gap: 12px;
}

.ponpon-btn-cancel {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 16px;
    cursor: pointer;
    -webkit-appearance: none;
}

.ponpon-btn-cancel:active {
    background: var(--gray-50);
}

.ponpon-btn-primary {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    background: var(--primary);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    -webkit-appearance: none;
}

.ponpon-btn-primary:active {
    background: var(--primary-dark);
}

/* ===== Toast ===== */
.ponpon-toast {
    position: fixed;
    bottom: calc(24px + var(--safe-area-inset-bottom));
    left: 16px;
    right: 16px;
    background: var(--gray-800);
    color: var(--white);
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 14px;
    text-align: center;
    z-index: 10001;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
}

.ponpon-toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* ===== Login Notice ===== */
.ponpon-login-notice {
    text-align: center;
    padding: 14px 16px;
    background: var(--gray-50);
    font-size: 14px;
    color: var(--gray-500);
}

.ponpon-login-notice a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

/* ===== Error ===== */
.ponpon-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 14px 16px;
    border-radius: 10px;
    margin: 16px;
    font-size: 14px;
}

/* ===== Stats & Lists ===== */
.ponpon-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    padding: 0 16px;
}

.ponpon-stat-card {
    background: var(--white);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.ponpon-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.ponpon-stat-label {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 4px;
}

.ponpon-episode-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
}

.ponpon-episode-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.ponpon-episode-thumbnail {
    aspect-ratio: 16 / 9;
    background: #1a1a1a;
    position: relative;
}

.ponpon-episode-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ponpon-episode-card-body {
    padding: 14px 16px;
}

.ponpon-episode-card-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 6px 0;
    color: var(--gray-800);
}

.ponpon-episode-card-title a {
    color: inherit;
    text-decoration: none;
}

.ponpon-episode-card-meta {
    font-size: 13px;
    color: var(--gray-500);
}

.ponpon-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

/* ==========================================================
   TABLET & DESKTOP
   ========================================================== */

@media (min-width: 640px) {
    .ponpon-episode-title {
        font-size: 22px;
    }
    
    .ponpon-icon-btn {
        width: 40px;
        height: 40px;
    }
    
    .ponpon-ctrl-btn {
        width: 56px;
        height: 56px;
    }
    
    .ponpon-ctrl-icon {
        font-size: 18px;
    }
    
    .ponpon-ctrl-label {
        font-size: 10px;
    }
    
    .ponpon-play-btn {
        width: 60px;
        height: 60px;
    }
    
    .ponpon-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .ponpon-episode-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .ponpon-episode-header {
        padding: 16px 24px;
    }
    
    .ponpon-episode-title {
        font-size: 26px;
    }
    
    .ponpon-modal-container {
        max-width: 480px;
        border-radius: 20px;
        margin: auto;
    }
    
    .ponpon-modal-header {
        border-radius: 20px 20px 0 0;
    }
    
    .ponpon-modal {
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .ponpon-player-wrapper {
        flex-direction: row;
    }
    
    .ponpon-video-section {
        flex: 1;
        padding: 20px 28px;
        min-width: 0;
    }
    
    .ponpon-subtitle-panel {
        width: 450px;
        flex-shrink: 0;
        border-left: 1px solid var(--gray-200);
        border-top: none;
        height: calc(100vh - 70px);
        position: sticky;
        top: 70px;
    }
    
    .ponpon-subtitle-list {
        min-height: auto;
        max-height: none;
        height: calc(100vh - 70px);
    }
    
    .ponpon-dictionary-popup {
        position: absolute;
        border-radius: 16px;
        max-width: 380px;
        left: auto;
        right: auto;
        bottom: auto;
        max-height: none;
        animation: fadeIn 0.2s;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-6px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    .ponpon-popup-header {
        border-radius: 16px 16px 0 0;
    }
    
    .ponpon-episode-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .ponpon-subtitle-panel {
        width: 500px;
    }
    
    .ponpon-episode-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================
   地道表达・重点单词 SECTION
   ========================================================== */

.ponpon-expressions-section {
    border-top: 1px solid var(--gray-200);
    background: var(--white);
}

.ponpon-expressions-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
}

.ponpon-expressions-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.ponpon-collapse-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 18px;
    cursor: pointer;
}

.ponpon-collapse-btn:hover { background: var(--gray-200); }

.ponpon-expressions-content {
    padding: 16px 20px 24px;
}

.ponpon-expressions-content.collapsed { display: none; }

/* Category Tabs - DIVI Compatible */
.ponpon-player-container .ponpon-category-tabs {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    margin-bottom: 20px !important;
    flex-wrap: wrap !important;
}

.ponpon-player-container .ponpon-tabs-scroll {
    display: flex !important;
    gap: 8px !important;
    flex-wrap: wrap !important;
    flex: 1 !important;
}

.ponpon-player-container .ponpon-category-tab {
    padding: 8px 16px !important;
    border: 1px solid var(--gray-200) !important;
    border-radius: 20px !important;
    background: var(--white) !important;
    color: var(--gray-600) !important;
    font-size: 14px !important;
    cursor: pointer !important;
    white-space: nowrap !important;
    transition: all 0.15s !important;
    line-height: 1.4 !important;
    margin: 0 !important;
}

.ponpon-player-container .ponpon-category-tab:hover {
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

.ponpon-player-container .ponpon-category-tab.active {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: var(--white) !important;
}

.ponpon-category-tab .tab-star { color: var(--yellow); }

.ponpon-player-container .ponpon-batch-save-btn {
    padding: 10px 20px !important;
    border: none !important;
    border-radius: 20px !important;
    background: linear-gradient(135deg, #ef4444, #f97316) !important;
    color: var(--white) !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    white-space: nowrap !important;
    line-height: 1.4 !important;
}

.ponpon-player-container .ponpon-batch-save-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Expression Cards - DIVI Theme Compatible */
.ponpon-player-container .ponpon-expressions-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    width: 100% !important;
    max-width: 100% !important;
}

@media (max-width: 1200px) {
    .ponpon-player-container .ponpon-expressions-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .ponpon-player-container .ponpon-expressions-grid {
        grid-template-columns: 1fr !important;
    }
}

.ponpon-player-container .ponpon-expr-card {
    border-radius: 12px !important;
    padding: 12px !important;
    position: relative !important;
    transition: transform 0.15s, box-shadow 0.15s !important;
    display: flex !important;
    flex-direction: column !important;
    min-height: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 !important;
}

.ponpon-player-container .ponpon-expr-card:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12) !important;
}

.ponpon-expr-card.hidden { display: none; }

/* G/B/D Links - Top Right */
.ponpon-expr-links {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    z-index: 2;
}

.ponpon-link-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    transition: transform 0.15s;
}

.ponpon-link-btn:hover { transform: scale(1.15); }
.ponpon-link-g { background: #22c55e; }
.ponpon-link-b { background: #3b82f6; }
.ponpon-link-d { background: #ef4444; }

/* Card Header */
.ponpon-expr-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    padding-right: 85px;
}

.ponpon-expr-audio-ipa {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.ponpon-expr-audio-btn {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    color: var(--gray-500);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ponpon-expr-audio-btn:hover { color: var(--primary); }

.ponpon-expr-accent {
    font-size: 12px;
    color: var(--gray-500);
}

.ponpon-expr-ipa {
    font-size: 12px;
    color: var(--gray-500);
    font-family: inherit;
}

.ponpon-expr-type-label {
    font-size: 12px;
    color: var(--gray-500);
    white-space: nowrap;
}

/* Word Row */
.ponpon-expr-word-row {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.ponpon-expr-fav-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 18px;
    color: var(--gray-300);
    padding: 0;
    flex-shrink: 0;
    margin-top: 2px;
}

.ponpon-expr-fav-btn:hover { color: var(--yellow); transform: scale(1.1); }
.ponpon-expr-fav-btn.saved { color: var(--yellow); }

.ponpon-expr-word-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
    line-height: 1.3;
}

.ponpon-expr-meaning-zh {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.ponpon-expr-meaning-en {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 10px;
}

.ponpon-expr-example {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 10px;
    flex-grow: 1;
}

.ponpon-expr-example .example-label { 
    color: var(--gray-500); 
}
.ponpon-expr-example .example-en { 
    font-style: italic; 
    color: var(--gray-700);
}
.ponpon-expr-example .example-zh { 
    color: var(--gray-500); 
    font-size: 12px;
    display: block;
    margin-top: 2px;
}

.ponpon-expr-footer {
    display: flex;
    align-items: center;
    margin-top: auto;
    justify-content: space-between;
    margin-top: auto;
}

.ponpon-expr-occurrence {
    font-size: 13px;
    color: var(--gray-400);
}

.ponpon-expr-expand-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    color: var(--gray-500);
}

/* ==========================================================
   EXPRESSION CARD SCENES (展開セクション)
   ========================================================== */

.ponpon-expr-scenes {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0,0,0,0.08);
    max-height: 300px;
    overflow-y: auto;
}

.ponpon-scene-episode {
    margin-bottom: 12px;
    background: rgba(255,255,255,0.5);
    border-radius: 8px;
    padding: 12px;
}

.ponpon-scene-episode:last-child {
    margin-bottom: 0;
}

.ponpon-scene-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.ponpon-scene-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--gray-800);
}

.ponpon-scene-link {
    font-size: 14px;
    color: var(--gray-400);
    text-decoration: none;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.15s;
}

.ponpon-scene-link:hover {
    background: rgba(0,0,0,0.05);
    color: var(--gray-600);
}

.ponpon-scene-item {
    padding: 10px 12px;
    background: rgba(255,255,255,0.6);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.15s;
}

.ponpon-scene-item:hover {
    background: rgba(255,255,255,0.9);
}

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

.ponpon-scene-text-en {
    font-size: 14px;
    color: var(--gray-800);
    line-height: 1.5;
    margin-bottom: 4px;
}

.ponpon-scene-text-zh {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    margin-bottom: 6px;
}

.ponpon-highlight {
    background: linear-gradient(to bottom, transparent 60%, #fde047 60%);
    color: #dc2626;
    font-weight: 500;
    padding: 0 2px;
}

.ponpon-scene-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray-400);
}

.ponpon-scene-play {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 8px;
    cursor: pointer;
}

.ponpon-scene-play:hover {
    background: var(--primary-dark);
}

.ponpon-scene-time {
    color: var(--gray-400);
}

.ponpon-scene-index {
    color: var(--gray-400);
}

.ponpon-scene-loading {
    font-size: 13px;
    color: var(--gray-400);
    text-align: center;
    padding: 12px;
}

/* Expand button states */
.ponpon-expr-expand-btn {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    color: var(--gray-400);
    transition: transform 0.2s;
}

.ponpon-expr-expand-btn:hover {
    color: var(--gray-600);
}

.ponpon-expr-expand-btn[data-expanded="true"] {
    transform: rotate(180deg);
}

/* ==========================================================
   TRANSCRIPT & YOUTUBE SECTIONS
   ========================================================== */

.ponpon-transcript-section,
.ponpon-youtube-section {
    padding: 24px 20px;
    border-top: 1px solid var(--gray-200);
    background: var(--white);
}

.ponpon-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.ponpon-section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.ponpon-section-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ponpon-subtitle-count {
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 13px;
    color: var(--gray-500);
}

/* Transcript Toggle Button */
.ponpon-transcript-toggle {
    padding: 8px 16px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    background: var(--white);
    color: var(--gray-700);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.ponpon-transcript-toggle:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

.ponpon-transcript-list {
    display: flex;
    flex-direction: column;
    background: #fffbeb;
    border-radius: 12px;
    padding: 16px;
}

/* Keyword highlighting in transcript - Category based colors */
.ponpon-keyword-highlight {
    padding: 2px 4px;
    border-radius: 4px;
    font-weight: 500;
}

/* Yellow - phrase/短语 */
.ponpon-keyword-highlight[data-category="phrase"],
.ponpon-keyword-highlight.highlight-phrase {
    background: #fef3c7;
    color: #92400e;
    border-bottom: 2px solid #f59e0b;
}

/* Green - phrasal_verb/短语动词 */
.ponpon-keyword-highlight[data-category="phrasal_verb"],
.ponpon-keyword-highlight.highlight-phrasal_verb {
    background: #dcfce7;
    color: #166534;
    border-bottom: 2px solid #22c55e;
}

/* Pink - collocation/搭配 */
.ponpon-keyword-highlight[data-category="collocation"],
.ponpon-keyword-highlight.highlight-collocation {
    background: #fce7f3;
    color: #9d174d;
    border-bottom: 2px solid #ec4899;
}

/* Blue - proper_noun/专有名词 */
.ponpon-keyword-highlight[data-category="proper_noun"],
.ponpon-keyword-highlight.highlight-proper_noun {
    background: #dbeafe;
    color: #1e40af;
    border-bottom: 2px solid #3b82f6;
}

/* Purple - word/单词 */
.ponpon-keyword-highlight[data-category="word"],
.ponpon-keyword-highlight.highlight-word {
    background: #f3e8ff;
    color: #6b21a8;
    border-bottom: 2px solid #8b5cf6;
}

/* Orange - discourse/话语标记 */
.ponpon-keyword-highlight[data-category="discourse"],
.ponpon-keyword-highlight.highlight-discourse {
    background: #ffedd5;
    color: #c2410c;
    border-bottom: 2px solid #f97316;
}

/* Red text highlight (alternate style) */
.ponpon-keyword-highlight.highlight-red {
    background: #fee2e2;
    color: #dc2626;
    border-bottom: 2px solid #ef4444;
}

.ponpon-transcript-item {
    display: flex;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
    gap: 16px;
    cursor: pointer;
    transition: background 0.15s;
}

.ponpon-transcript-item:hover {
    background: var(--gray-50);
    margin: 0 -20px;
    padding: 16px 20px;
}

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

.ponpon-transcript-number {
    font-size: 14px;
    color: var(--gray-400);
    min-width: 24px;
    padding-top: 2px;
}

.ponpon-transcript-content { flex: 1; }

.ponpon-transcript-en {
    font-size: 16px;
    color: var(--gray-800);
    line-height: 1.7;
    margin-bottom: 4px;
}

.ponpon-transcript-zh {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
    display: none;
}

.ponpon-transcript-time {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 6px;
}

/* Language modes */
.ponpon-transcript-list[data-lang="en"] .ponpon-transcript-en { display: block; }
.ponpon-transcript-list[data-lang="en"] .ponpon-transcript-zh { display: none; }
.ponpon-transcript-list[data-lang="zh"] .ponpon-transcript-en { display: none; }
.ponpon-transcript-list[data-lang="zh"] .ponpon-transcript-zh { display: block; }

.ponpon-copy-transcript {
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
}

/* YouTube */
.ponpon-youtube-section {
    padding: 24px 20px !important;
    border-top: 1px solid var(--gray-200) !important;
    background: var(--white) !important;
}

.ponpon-youtube-section .ponpon-section-header {
    margin-bottom: 8px !important;
}

.ponpon-youtube-section .ponpon-section-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: var(--gray-800) !important;
    margin: 0 !important;
}

.ponpon-youtube-note {
    font-size: 13px !important;
    color: var(--gray-500) !important;
    margin: 0 0 16px 0 !important;
}

.ponpon-youtube-wrapper {
    position: relative !important;
    padding-bottom: 56.25% !important;
    height: 0 !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    background: #000 !important;
    max-width: 800px !important;
    margin: 0 auto !important;
}

.ponpon-youtube-wrapper iframe {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    border: none !important;
}

/* ==========================================================
   EPISODE NAVIGATION
   ========================================================== */

.ponpon-player-container .ponpon-episode-nav {
    padding: 32px 20px !important;
    text-align: center !important;
    background: var(--white) !important;
}

.ponpon-player-container .ponpon-nav-buttons {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 12px !important;
    flex-wrap: wrap !important;
    margin-bottom: 20px !important;
}

.ponpon-player-container .ponpon-nav-btn {
    display: inline-flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 12px 24px !important;
    border-radius: 8px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    transition: all 0.15s !important;
    line-height: 1.4 !important;
}

.ponpon-player-container .ponpon-nav-prev,
.ponpon-player-container .ponpon-nav-next {
    background: var(--gray-800) !important;
    color: var(--white) !important;
    border: none !important;
}

.ponpon-player-container .ponpon-nav-prev:hover,
.ponpon-player-container .ponpon-nav-next:hover {
    background: var(--gray-700) !important;
    transform: translateY(-1px) !important;
    color: var(--white) !important;
}

.ponpon-player-container .ponpon-nav-home {
    background: var(--white) !important;
    color: var(--gray-700) !important;
    border: 1px solid var(--gray-300) !important;
}

.ponpon-player-container .ponpon-nav-home:hover {
    background: var(--gray-50) !important;
    border-color: var(--gray-400) !important;
    color: var(--gray-700) !important;
}

.ponpon-player-container .ponpon-nav-disabled {
    background: var(--gray-100) !important;
    color: var(--gray-400) !important;
    cursor: not-allowed !important;
    border: none !important;
}

.ponpon-player-container .nav-arrow {
    font-size: 14px !important;
}

.ponpon-player-container .nav-icon {
    font-size: 16px !important;
}

.ponpon-player-container .ponpon-feedback-link {
    font-size: 14px;
    color: var(--gray-500);
}

    font-size: 14px !important;
    color: var(--gray-500) !important;
}

.ponpon-player-container .ponpon-feedback-link a {
    color: var(--gray-600) !important;
    text-decoration: none !important;
}

.ponpon-player-container .ponpon-feedback-link a:hover {
    color: var(--primary) !important;
    text-decoration: underline !important;
}

/* ==========================================================
   RESPONSIVE - NEW SECTIONS
   ========================================================== */

/* Mobile first - default is 1 column */
.ponpon-player-container .ponpon-expressions-grid {
    grid-template-columns: 1fr !important;
}

/* Tablet - 2 columns */
@media (min-width: 768px) {
    .ponpon-player-container .ponpon-expressions-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .ponpon-expressions-header,
    .ponpon-expressions-content {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .ponpon-transcript-section,
    .ponpon-youtube-section {
        padding: 32px 24px;
    }
}

/* Desktop - 3 columns */
@media (min-width: 1200px) {
    .ponpon-player-container .ponpon-expressions-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 16px !important;
    }
    
    .ponpon-expressions-section,
    .ponpon-transcript-section,
    .ponpon-youtube-section {
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .ponpon-youtube-wrapper {
        max-width: 800px;
    }
}

/* ==========================================================
   打卡記録 SECTION (CHECKINS)
   ========================================================== */

.ponpon-checkins-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.ponpon-checkin-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.ponpon-checkin-stats .ponpon-stat-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 24px;
    border-radius: 16px;
    text-align: center;
}

.ponpon-checkin-stats .ponpon-stat-value {
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.ponpon-checkin-stats .ponpon-stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.ponpon-checkin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ponpon-checkin-card {
    padding: 16px 20px;
    border-radius: 12px;
    transition: transform 0.15s, box-shadow 0.15s;
}

.ponpon-checkin-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

.ponpon-checkin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
}

.ponpon-checkin-episode {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
}

.ponpon-checkin-episode a {
    color: var(--gray-800);
    text-decoration: none;
}

.ponpon-checkin-episode a:hover {
    color: var(--primary);
}

.ponpon-checkin-date {
    font-size: 13px;
    color: var(--gray-500);
}

.ponpon-checkin-note {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.6;
    padding: 12px;
    background: rgba(255,255,255,0.6);
    border-radius: 8px;
    margin-bottom: 8px;
}

.ponpon-checkin-time {
    font-size: 12px;
    color: var(--gray-500);
}

.ponpon-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
    font-size: 15px;
}

/* Checkin Modal in Player */
.ponpon-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ponpon-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
}

.ponpon-modal-container {
    position: relative;
    background: var(--white);
    border-radius: 16px;
    width: 90%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.ponpon-modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.ponpon-modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 4px;
}

.ponpon-modal-subtitle {
    font-size: 14px;
    color: var(--gray-500);
}

.ponpon-modal-body {
    padding: 20px 24px;
}

.ponpon-checkin-note {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
    resize: vertical;
    font-family: inherit;
}

.ponpon-checkin-note:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}

.ponpon-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 24px;
    border-top: 1px solid var(--gray-100);
}

.ponpon-btn-cancel {
    padding: 10px 20px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 14px;
    cursor: pointer;
}

.ponpon-btn-cancel:hover {
    background: var(--gray-50);
}

.ponpon-btn-primary {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

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

/* Checkin Button States */
.ponpon-checkin-btn .icon-checked { display: none; }
.ponpon-checkin-btn.checked .icon-unchecked { display: none; }
.ponpon-checkin-btn.checked .icon-checked { 
    display: inline; 
    color: var(--primary); 
}

/* ===== Print ===== */
@media print {
    .ponpon-episode-header,
    .ponpon-controls-bar,
    .ponpon-video-wrapper,
    .ponpon-panel-toolbar,
    .ponpon-subtitle-actions,
    .ponpon-nav-right,
    .ponpon-youtube-section {
        display: none !important;
    }
    
    .ponpon-subtitle-panel {
        width: 100%;
        height: auto;
        border: none;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}