/* 听力题弹窗专用样式
 * 说明：
 * - 视觉风格与题库答题弹窗保持一致，依赖 bank.css 中的 .portal-answer-modal 基础样式。
 * - 这里只定义听力材料内部布局、音频区和子题列表相关样式，避免影响其他模块。
 */

/* 听力弹窗整体布局：复用 .portal-answer-modal 作为外层，增加标识类 */
.portal-listening-modal .portal-answer-modal__panel {
    max-width: 980px;
}

.portal-listening-layout {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.portal-listening {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.portal-listening-sidebar {
    flex: 0 0 280px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
}

/* 顶部概览信息（难度、子题数量、预计时长等） */
.portal-listening__meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: 12px;
    color: #9ca3af;
}

.portal-listening__meta-item {
    padding: 2px 8px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.8);
}

/* 音频与控制区 */
.portal-listening__audio {
    padding: 10px 12px;
    border-radius: 10px;
    background:
        radial-gradient(circle at top left, rgba(56,189,248,0.16) 0, transparent 45%),
        radial-gradient(circle at bottom right, rgba(94,234,212,0.16) 0, transparent 50%),
        rgba(15,23,42,0.96);
    border: 1px solid rgba(148, 163, 184, 0.55);
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

.portal-listening__audio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.portal-listening__audio-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #e5e7eb;
}

.portal-listening__audio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-end;
}

.portal-listening__badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: #e5e7eb;
}

.portal-listening__badge--source-upload {
    border-color: rgba(56, 189, 248, 0.8);
    color: #bae6fd;
}

.portal-listening__badge--source-url {
    border-color: rgba(129, 140, 248, 0.9);
    color: #c7d2fe;
}

.portal-listening__badge--source-tts {
    border-color: rgba(52, 211, 153, 0.9);
    color: #a7f3d0;
}

.portal-listening__audio-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.portal-listening__audio-player {
    width: 100%;
}

.portal-listening__audio-empty {
    font-size: 13px;
    color: #9ca3af;
}

.portal-listening__tts-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 10px;
    font-size: 12px;
}

.portal-listening__tts-btn {
    padding: 4px 10px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(15,23,42,0.85);
    color: #e5e7eb;
    cursor: pointer;
}

.portal-listening__tts-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.portal-listening__tts-rate {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15,23,42,0.85);
    color: #e5e7eb;
}

.portal-listening__tts-rate-label {
    font-size: 12px;
    color: #9ca3af;
}

.portal-listening__tts-rate input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    width: 110px;
    border-radius: 9999px;
    background: linear-gradient(90deg, rgba(56,189,248,0.9), rgba(45,212,191,0.9));
    outline: none;
}

.portal-listening__tts-rate input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 9999px;
    background: #0f172a;
    border: 2px solid rgba(191, 219, 254, 0.9);
    box-shadow: 0 0 0 1px rgba(15,23,42,0.9);
}

.portal-listening__tts-rate input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 9999px;
    background: #0f172a;
    border: 2px solid rgba(191, 219, 254, 0.9);
    box-shadow: 0 0 0 1px rgba(15,23,42,0.9);
}

.portal-listening__tts-rate-value {
    min-width: 32px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.portal-listening__tts-voice-row {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15,23,42,0.85);
    color: #e5e7eb;
}

.portal-listening__tts-voice-label {
    font-size: 12px;
    color: #9ca3af;
    white-space: nowrap;
}

.portal-listening__tts-voice-select {
    min-width: 160px;
    max-width: 260px;
    padding: 3px 8px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background-color: rgba(15,23,42,0.95);
    color: #e5e7eb;
    font-size: 12px;
    outline: none;
}

.portal-listening__tts-voice-select:focus {
    border-color: rgba(56, 189, 248, 0.9);
    box-shadow: 0 0 0 1px rgba(15,23,42,0.9);
}

/* 听力原文 / 描述区域（侧边栏） */
.portal-listening__text {
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(15,23,42,0.96);
    border: 1px solid rgba(55,65,81,0.9);
    box-shadow: 0 6px 16px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    max-height: 100%;
}

.portal-listening__text-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.portal-listening__text-title {
    margin: 0 0 6px;
    font-size: 14px;
    font-weight: 600;
    color: #e5e7eb;
}

.portal-listening__text-content {
    font-size: 13px;
    line-height: 1.7;
    color: #e5e7eb;
    flex: 1 1 auto;
    min-height: 0;
    max-height: 500px;
    overflow: auto;
}

.portal-listening__text-line {
    padding: 2px 0;
}

.portal-listening__text-line--active {
    background: rgba(59, 130, 246, 0.18);
    border-radius: 4px;
}

.portal-listening__text-content.is-collapsed {
    display: none;
}

.portal-listening__text-toggle {
    padding: 4px 10px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(15,23,42,0.9);
    color: #e5e7eb;
    font-size: 12px;
    cursor: pointer;
}

/* 子题列表 */
.portal-listening__subs {
    padding-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.portal-listening__subs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: #e5e7eb;
}

.portal-listening__subs-title {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}

.portal-listening__subs-hint {
    margin: 0;
    font-size: 12px;
    color: #9ca3af;
}

.portal-listening__subs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow: auto;
    padding-right: 4px;
}

.portal-listening__text-content,
.portal-listening__subs-list {
    scrollbar-width: thin;
    scrollbar-color: rgba(56,189,248,0.8) rgba(15,23,42,0.9);
}

.portal-listening__text-content::-webkit-scrollbar,
.portal-listening__subs-list::-webkit-scrollbar {
    width: 8px;
}

.portal-listening__text-content::-webkit-scrollbar-track,
.portal-listening__subs-list::-webkit-scrollbar-track {
    background: rgba(15,23,42,0.95);
    border-radius: 9999px;
}

.portal-listening__text-content::-webkit-scrollbar-thumb,
.portal-listening__subs-list::-webkit-scrollbar-thumb {
    border-radius: 9999px;
    background: linear-gradient(180deg, rgba(56,189,248,0.95), rgba(45,212,191,0.9));
    box-shadow: 0 0 0 1px rgba(15,23,42,0.9);
}

.portal-listening__text-content::-webkit-scrollbar-thumb:hover,
.portal-listening__subs-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(56,189,248,1), rgba(45,212,191,1));
}

.portal-listening-sub {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid rgba(75, 85, 99, 0.9);
    background: rgba(15,23,42,0.9);
    cursor: pointer;
}

.portal-listening-sub:hover {
    border-color: rgba(129, 140, 248, 0.95);
    box-shadow: 0 4px 10px rgba(0,0,0,0.65);
}

.portal-listening-sub__order {
    width: 22px;
    height: 22px;
    border-radius: 9999px;
    background: rgba(30,64,175,0.95);
    color: #e5e7eb;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portal-listening-sub__main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.portal-listening-sub__title {
    font-size: 13px;
    color: #e5e7eb;
}

.portal-listening-sub__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 11px;
    color: #9ca3af;
}

.portal-listening-sub__badge {
    padding: 2px 6px;
    border-radius: 9999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
}

.portal-listening-sub__time {
    font-size: 11px;
    color: #9ca3af;
}