/* 英语同音词查询 · 听写本双栏设计系统（前缀 hph-）
   浅色：薄荷绿纸 + 深墨绿 + 橙；深色：深松墨 + 亮薄荷 + 暖橙 */
.hph-page, .hph-modal, .ws-toast {
    --hph-bg: #edf6f0; --hph-paper: #fbfffc; --hph-ink: #17382c; --hph-sub: #63796e;
    --hph-brand: #145c43; --hph-brand-soft: #dcefe5; --hph-orange: #d9702f; --hph-red: #c2453a;
    --hph-line: #cde2d5; --hph-fill: #e6f2ea; --hph-shadow: 0 10px 26px rgba(20,92,67,.09);
    --hph-font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}
:root[data-theme="dark"] .hph-page, :root[data-theme="dark"] .hph-modal, :root[data-theme="dark"] .ws-toast {
    --hph-bg: #101d18; --hph-paper: #172820; --hph-ink: #e3f3e9; --hph-sub: #9bb6a7;
    --hph-brand: #8ed9b0; --hph-brand-soft: #1d3a2c; --hph-orange: #f0a070; --hph-red: #f08a7f;
    --hph-line: #2b4536; --hph-fill: #1b3126; --hph-shadow: 0 14px 32px rgba(0,0,0,.34);
}
.hph-page { background: var(--hph-bg); color: var(--hph-ink); font-family: var(--hph-font);
    font-size: 15px; line-height: 1.8; padding-bottom: 56px; }
.hph-wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.hph-page .detail-breadcrumb { padding: 18px 0 0; font-size: 13px; color: var(--hph-sub); }
.hph-page .detail-breadcrumb a { color: var(--hph-brand); text-decoration: none; }
.hph-page .detail-breadcrumb .sep { margin: 0 8px; }
.hph-page b { font-weight: 700; }
.hph-kicker { font-size: 11px; letter-spacing: .16em; color: var(--hph-orange); }

/* 首屏：横线听写本 + 双卡 */
.hph-hero { display: grid; grid-template-columns: 1.45fr .68fr; gap: 24px; margin: 22px 0 26px; }
.hph-hero-copy { background: var(--hph-paper) repeating-linear-gradient(0deg, transparent 0 33px, var(--hph-line) 33px 34px);
    border: 1px solid var(--hph-line); border-radius: 6px; padding: 30px 32px; box-shadow: var(--hph-shadow); }
.hph-hero h1 { font-size: clamp(25px, 3vw, 35px); line-height: 1.4; margin: 10px 0 10px; }
.hph-sub { font-size: 14.5px; color: var(--hph-sub); line-height: 2; margin: 0 0 20px; max-width: 640px; }
.hph-sub b { color: var(--hph-orange); }
.hph-search { display: flex; gap: 8px; }
.hph-page input, .hph-page textarea { font: inherit; color: var(--hph-ink); background: var(--hph-paper);
    border: 1px solid var(--hph-line); border-radius: 5px; padding: 10px 12px; outline: none; box-sizing: border-box; }
.hph-page input:focus, .hph-page textarea:focus { border-color: var(--hph-brand); }
.hph-search input { flex: 1; font-size: 15px; min-width: 0; }
.hph-btn { font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid var(--hph-line);
    background: var(--hph-paper); color: var(--hph-ink); border-radius: 5px; padding: 9px 14px; white-space: nowrap; }
.hph-btn:hover:not(:disabled) { border-color: var(--hph-orange); }
.hph-btn:disabled { opacity: .5; }
.hph-btn--main { background: var(--hph-brand); color: #fff; border-color: var(--hph-brand); }
.hph-btn--main:hover { background: var(--hph-orange); border-color: var(--hph-orange); }
.hph-chips { display: flex; gap: 7px; flex-wrap: wrap; align-items: center; margin-top: 14px; font-size: 12px; color: var(--hph-sub); }
.hph-chip { font: inherit; font-size: 12px; cursor: pointer; border: 1px dashed var(--hph-line);
    background: var(--hph-fill); color: var(--hph-brand); border-radius: 14px; padding: 3px 11px; }
.hph-chip:hover { border-style: solid; border-color: var(--hph-orange); }
.hph-hero-pair { background: var(--hph-brand); color: #fff; border-radius: 6px; padding: 16px 18px;
    box-shadow: var(--hph-shadow); align-self: stretch; }
.hph-pair-h { font-size: 10px; letter-spacing: .15em; opacity: .8; border-bottom: 1px solid rgba(255,255,255,.25); padding-bottom: 8px; }
.hph-pair-body { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.hph-pair-item { background: rgba(255,255,255,.1); border-radius: 4px; padding: 8px 12px; }
.hph-pair-item b { font: 700 19px Georgia, serif; }
.hph-pair-item span { display: block; font-size: 11.5px; opacity: .85; }
.hph-pair-ipa { text-align: center; font: 13px Georgia, serif; color: #ffe0a8; }

/* 双栏词组卡：中间音标气泡 */
.hph-board { background: var(--hph-paper); border: 1px solid var(--hph-line); border-radius: 6px;
    padding: 18px 20px; box-shadow: var(--hph-shadow); }
.hph-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap;
    border-bottom: 2px solid var(--hph-brand); padding-bottom: 10px; }
.hph-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.hph-filter { font: inherit; font-size: 12px; cursor: pointer; border: 1px solid var(--hph-line);
    background: var(--hph-fill); color: var(--hph-sub); border-radius: 14px; padding: 4px 12px; }
.hph-filter.is-on { background: var(--hph-brand); border-color: var(--hph-brand); color: #fff; }
.hph-count { font-size: 12px; color: var(--hph-sub); }
.hph-groups { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.hph-group { position: relative; border: 1px solid var(--hph-line); border-radius: 6px; padding: 14px; background: var(--hph-bg); }
.hph-group-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.hph-ipa { font: 13px Georgia, serif; background: var(--hph-brand); color: #fff; border-radius: 16px; padding: 3px 12px; }
.hph-level { font-size: 11px; border-radius: 10px; padding: 2px 9px; background: var(--hph-fill); color: var(--hph-sub); }
.hph-level.is-high { background: var(--hph-red); color: #fff; }
.hph-level.is-near { background: var(--hph-orange); color: #fff; }
.hph-group-ops { margin-left: auto; display: flex; gap: 8px; }
.hph-group-ops button { font: inherit; font-size: 11px; border: 0; background: none; color: var(--hph-brand); cursor: pointer; text-decoration: underline; padding: 0; }
.hph-pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; }
.hph-word { background: var(--hph-paper); border: 1px solid var(--hph-line); border-top: 3px solid var(--hph-orange);
    border-radius: 4px; padding: 11px 13px; min-width: 0; }
.hph-word:nth-child(even) { border-top-color: var(--hph-brand); }
.hph-word-h { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.hph-word-h strong { font: 700 21px Georgia, serif; word-break: break-all; }
.hph-pos { font-size: 10px; background: var(--hph-fill); color: var(--hph-sub); padding: 1px 6px; border-radius: 2px; }
.hph-word .zh { font-size: 13px; color: var(--hph-sub); margin-top: 2px; }
.hph-word .eg { font-size: 12px; font-style: italic; line-height: 1.7; margin: 8px 0 0;
    border-left: 2px solid var(--hph-line); padding-left: 8px; word-break: break-word; }
.hph-empty { text-align: center; color: var(--hph-sub); padding: 22px; font-size: 13px; }

/* 小测与批量 */
.hph-panel { background: var(--hph-paper); border: 1px solid var(--hph-line); border-radius: 6px;
    padding: 18px 20px; margin-top: 20px; box-shadow: var(--hph-shadow); min-width: 0; }
.hph-panel-h { display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
    border-bottom: 1px solid var(--hph-line); padding-bottom: 10px; margin-bottom: 12px; }
.hph-panel-h b { font-size: 16px; }
.hph-panel-h span { font-size: 11.5px; color: var(--hph-sub); }
.hph-quiz-start { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hph-quiz-start span { font-size: 12px; color: var(--hph-sub); }
.hph-quiz-box[hidden] { display: none !important; }
.hph-quiz-box { margin-top: 14px; background: var(--hph-fill); border-radius: 5px; padding: 16px; }
.hph-quiz-q { font-size: 15px; line-height: 1.9; }
.hph-quiz-q b { color: var(--hph-orange); }
.hph-quiz-opts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.hph-quiz-opts button { font: 700 15px Georgia, serif; text-align: left; cursor: pointer; padding: 10px 14px;
    border: 1px solid var(--hph-line); border-radius: 4px; background: var(--hph-paper); color: var(--hph-ink); }
.hph-quiz-opts button.is-right { border-color: var(--hph-brand); background: var(--hph-brand-soft); }
.hph-quiz-opts button.is-wrong { border-color: var(--hph-red); background: var(--hph-paper); color: var(--hph-red); }
.hph-quiz-foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 12px;
    font-size: 12px; color: var(--hph-sub); }
.hph-err { color: var(--hph-red); font-size: 12px; min-height: 18px; margin: 8px 0 0; }
.hph-wrong { margin-top: 14px; border-top: 1px dashed var(--hph-line); padding-top: 10px; font-size: 12px; }
.hph-wrong b span { color: var(--hph-red); }
.hph-wrong div { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; color: var(--hph-sub); }
.hph-wrong div span { background: var(--hph-fill); border-radius: 3px; padding: 2px 8px; }
.hph-panel textarea { width: 100%; resize: vertical; font-size: 13px; }
.hph-btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.hph-hint { font-size: 12px; color: var(--hph-sub); margin: 10px 0 0; }
.hph-table-scroll { overflow-x: auto; margin-top: 8px; }
.hph-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.hph-table th, .hph-table td { padding: 8px 9px; border-bottom: 1px solid var(--hph-line); text-align: left; vertical-align: top; }
.hph-table th { background: var(--hph-fill); color: var(--hph-sub); white-space: nowrap; }

/* 弹窗：交卷后才出现 */
.hph-modal[hidden] { display: none !important; }
.hph-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center;
    background: rgba(12,32,24,.6); padding: 20px; }
.hph-modal-box { position: relative; width: min(430px, 100%); background: var(--hph-paper); color: var(--hph-ink);
    padding: 28px 30px; border-radius: 6px; border-top: 5px solid var(--hph-orange); box-shadow: 0 22px 54px rgba(0,0,0,.3); }
.hph-modal-x { position: absolute; right: 12px; top: 6px; border: 0; background: none; font-size: 24px; color: var(--hph-sub); cursor: pointer; }
.hph-modal-box h2 { margin: 8px 0 10px; font-size: 22px; }
.hph-modal-box p { font-size: 14px; color: var(--hph-sub); line-height: 1.9; }
.ws-toast { position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 16px); z-index: 10000;
    background: var(--hph-ink); color: var(--hph-paper); padding: 10px 20px; border-radius: 5px;
    font-size: 13px; opacity: 0; pointer-events: none; transition: .25s; }
.ws-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.ws-toast.is-err { background: var(--hph-red); color: #fff; }

@media (max-width: 960px) { .hph-hero { grid-template-columns: 1fr; } .hph-hero-pair { max-width: 100%; } }
@media (max-width: 480px) {
    .hph-wrap { padding: 0 12px; } .hph-hero-copy, .hph-board, .hph-panel { padding: 20px 14px; }
    .hph-quiz-opts { grid-template-columns: 1fr; } .hph-pair { grid-template-columns: 1fr; }
    .hph-table { min-width: 0; }
}

/* dark hero contrast fix */
:root[data-theme="dark"] .hph-hero-pair { background: #1b3a2b; }

/* dark button contrast fix */
:root[data-theme="dark"] .hph-btn--main { color: #0d1b14; }