/* ==========================================================
   18 唐诗检索 · 宣纸米 + 黛青
   ----------------------------------------------------------
   版式：首屏左文右检索台；结果区为纸张诗笺 + 检索列表
   配色：宣纸米 #f7f0df，黛青 #2f4f5f，朱砂点缀 #a8392b
   ========================================================== */

.tsk.tp3 {
    --tsk-bg: #f7f0df;
    --tsk-card: #fffdf7;
    --tsk-card-2: #fbf5e8;
    --tsk-ink: #2b2924;
    --tsk-sub: #615b4e;
    --tsk-faint: #948b78;
    --tsk-line: #e6dcc4;
    --tsk-line-2: #f0e8d6;
    --tsk-brand: #2f4f5f;
    --tsk-brand-2: #a8392b;
    --tsk-brand-soft: #e7edf0;
    --tsk-brand-ink: #243f4c;
    --tsk-accent: #a8392b;
    --tsk-accent-soft: #f7e8e4;
    --tp3-paper: #fffdf6;
    --tp3-rule: #e8dfc9;
    --tp3-seal: #a8392b;
    background:
        radial-gradient(760px 340px at 96% -12%, rgba(47, 79, 95, .10), transparent 62%),
        radial-gradient(560px 280px at -6% 8%, rgba(168, 57, 43, .06), transparent 60%),
        var(--tsk-bg);
}

:root[data-theme="dark"] .tsk.tp3 {
    --tsk-bg: #101518;
    --tsk-card: #181f23;
    --tsk-card-2: #1e272c;
    --tsk-ink: #efe9dc;
    --tsk-sub: #b8b0a2;
    --tsk-faint: #82796b;
    --tsk-line: #2c373d;
    --tsk-line-2: #232d32;
    --tsk-brand: #7fb2c6;
    --tsk-brand-2: #e07a64;
    --tsk-brand-soft: rgba(127, 178, 198, .12);
    --tsk-brand-ink: #a5cfde;
    --tsk-accent: #e07a64;
    --tsk-accent-soft: rgba(224, 122, 100, .12);
    --tp3-paper: #1b2225;
    --tp3-rule: #313d43;
    --tp3-seal: #e07a64;
}

/* ---------- 首屏：精确等高栅格 ---------- */
.tp3-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 394px;
    gap: 30px;
    padding: 30px 0 24px;
    align-items: stretch;
}

.tp3-hero-l {
    display: flex;
    flex-direction: column;
}

.tp3-hero-l > .tsk-hs {
    flex: 1 1 auto;
}

.tp3-hero-l .tsk-h1 b {
    color: var(--tsk-brand-ink);
}

.tp3-hero-l .tsk-lead b {
    background: linear-gradient(180deg, transparent 62%, rgba(168, 57, 43, .12) 62%);
    padding: 0 2px;
}

/* ---------- 检索台 ---------- */
.tp3-board {
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 16px;
    box-shadow: var(--tsk-shadow);
    overflow: hidden;
}

.tp3-board-hd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, #2f4f5f, #3c6679);
    color: #fff;
}

.tp3-board-hd span {
    font-size: 13.5px;
    font-weight: 800;
    letter-spacing: .03em;
}

.tp3-board-hd i {
    font-style: normal;
    font: 700 10.5px/1 var(--tsk-num);
    letter-spacing: .06em;
    opacity: .84;
}

.tp3-field {
    padding: 14px 16px 0;
}

.tp3-field label,
.tp3-two label,
.tp3-chars-wrap label {
    display: block;
    margin-bottom: 5px;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--tsk-sub);
}

.tp3-search-row {
    display: flex;
    gap: 8px;
}

.tp3-search-row input {
    flex: 1;
    min-width: 0;
    height: 38px;
    padding: 0 11px;
    border: 1.5px solid var(--tsk-line);
    border-radius: 9px;
    background: var(--tsk-card-2);
    color: var(--tsk-ink);
    font: 600 13px/36px var(--tsk-font);
    outline: none;
    transition: .15s;
}

.tp3-search-row input:focus {
    border-color: var(--tsk-brand);
    background: var(--tsk-card);
    box-shadow: 0 0 0 3px var(--tsk-brand-soft);
}

.tp3-search-row .tsk-btn-main {
    flex: 0 0 auto;
    min-width: 78px;
}

.tp3-hint {
    margin: 5px 0 0;
    font-size: 10.5px;
    line-height: 1.6;
    color: var(--tsk-faint);
}

.tp3-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 16px 0;
}

.tp3-two select {
    width: 100%;
    height: 36px;
    padding: 0 8px;
    border: 1.5px solid var(--tsk-line);
    border-radius: 9px;
    background: var(--tsk-card-2);
    color: var(--tsk-ink);
    font: 600 12.5px/34px var(--tsk-font);
    outline: none;
}

.tp3-two select:focus {
    border-color: var(--tsk-brand);
    box-shadow: 0 0 0 3px var(--tsk-brand-soft);
}

.tp3-chars-wrap {
    padding: 12px 16px 0;
}

.tp3-chars {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tp3-char {
    width: 34px;
    height: 30px;
    border: 1.5px solid var(--tsk-line);
    border-radius: 7px;
    background: var(--tsk-card-2);
    color: var(--tsk-sub);
    font: 700 13px/1 var(--tsk-font);
    cursor: pointer;
    transition: .14s;
}

.tp3-char:hover {
    border-color: var(--tsk-brand);
    color: var(--tsk-brand-ink);
}

.tp3-char.on {
    background: var(--tsk-brand);
    border-color: var(--tsk-brand);
    color: #fff;
}

:root[data-theme="dark"] .tp3-char.on {
    color: #101518;
}

.tp3-err {
    display: none;
    margin: 10px 16px 0;
    padding: 8px 11px;
    border-radius: 8px;
    background: var(--tsk-accent-soft);
    color: var(--tsk-accent);
    font-size: 11.5px;
    line-height: 1.7;
}

.tp3-err.show {
    display: block;
}

.tp3-acts {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 13px 16px 4px;
}

.tp3-count {
    margin-left: auto;
    font: 700 11px/1 var(--tsk-num);
    color: var(--tsk-faint);
    white-space: nowrap;
}

.tp3-board-foot {
    margin: 0;
    padding: 4px 16px 15px;
    font-size: 10.5px;
    line-height: 1.7;
    color: var(--tsk-faint);
}

/* ---------- 诗笺结果 ---------- */
.tp3-result {
    margin: 4px 0 26px;
    animation: tp3In .3s ease both;
}

@keyframes tp3In {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

.tp3-card {
    position: relative;
    background:
        linear-gradient(90deg, rgba(168, 57, 43, .015), transparent 12%, transparent 88%, rgba(168, 57, 43, .015)),
        var(--tp3-paper);
    border: 1px solid var(--tsk-line);
    border-radius: 16px;
    box-shadow: var(--tsk-shadow);
    padding: 25px 30px 22px;
}

.tp3-card::before {
    content: "";
    position: absolute;
    top: 18px;
    bottom: 18px;
    left: 18px;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--tp3-rule) 12%, var(--tp3-rule) 88%, transparent);
}

.tp3-card-hd {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    padding-left: 8px;
}

.tp3-title {
    margin: 0;
    font: 800 24px/1.35 var(--tsk-font);
    color: var(--tsk-ink);
    letter-spacing: .1em;
}

.tp3-meta {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: 5px 0 0;
    font-size: 12px;
    color: var(--tsk-sub);
}

.tp3-meta i {
    font-style: normal;
    color: var(--tsk-faint);
}

.tp3-card-acts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tp3-fav.on {
    background: var(--tsk-accent-soft);
    border-color: var(--tsk-accent);
    color: var(--tsk-accent);
}

.tp3-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 12px 0 0;
    padding-left: 8px;
}

.tp3-tag {
    padding: 2px 9px;
    border-radius: 99px;
    background: var(--tsk-brand-soft);
    color: var(--tsk-brand-ink);
    font-size: 10.5px;
    line-height: 1.7;
}

.tp3-poem {
    margin: 20px 0 0;
    padding: 20px 22px;
    border-top: 1px solid var(--tp3-rule);
    border-bottom: 1px solid var(--tp3-rule);
    text-align: center;
}

.tp3-poem p {
    margin: 0;
    font: 600 20px/2.1 var(--tsk-font);
    color: var(--tsk-ink);
    letter-spacing: .08em;
    white-space: pre-line;
}

.tp3-poem p:last-child {
    padding-bottom: 4px;
}

.tp3-recite {
    margin: 20px 0 0;
    padding: 20px 22px;
    border-top: 1px solid var(--tp3-rule);
    border-bottom: 1px solid var(--tp3-rule);
    text-align: center;
}

.tp3-recite p {
    margin: 0;
    font: 600 18px/2.1 var(--tsk-font);
    color: var(--tsk-faint);
    letter-spacing: .18em;
}

.tp3-recite small {
    display: block;
    margin-top: 6px;
    font-size: 11px;
    color: var(--tsk-faint);
    letter-spacing: .04em;
}

.tp3-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0 0;
    padding-left: 8px;
}

.tp3-explain {
    margin: 15px 0 0;
    padding: 0 0 0 8px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.tp3-expl-block {
    background: var(--tsk-card-2);
    border: 1px solid var(--tsk-line-2);
    border-radius: 11px;
    padding: 14px 16px;
}

.tp3-expl-block h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 800;
    color: var(--tp3-seal);
    letter-spacing: .06em;
}

.tp3-expl-block p {
    margin: 7px 0 0;
    font-size: 12.5px;
    line-height: 1.95;
    color: var(--tsk-sub);
}

.tp3-source {
    margin: 14px 0 0;
    padding-left: 8px;
    font-size: 10.5px;
    line-height: 1.7;
    color: var(--tsk-faint);
}

/* ---------- 检索列表 ---------- */
.tp3-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
    gap: 11px;
}

.tp3-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    text-align: left;
    border: 1px solid var(--tsk-line);
    border-radius: 11px;
    background: var(--tsk-card);
    cursor: pointer;
    transition: .15s;
}

.tp3-item:hover {
    border-color: var(--tsk-brand);
    transform: translateY(-1px);
    box-shadow: var(--tsk-shadow-sm);
}

.tp3-item.on {
    border-color: var(--tp3-seal);
    background: var(--tp3-paper);
}

.tp3-item-no {
    flex: 0 0 28px;
    height: 28px;
    border-radius: 7px;
    background: var(--tsk-brand-soft);
    color: var(--tsk-brand-ink);
    font: 800 11px/28px var(--tsk-num);
    text-align: center;
}

.tp3-item-body {
    min-width: 0;
}

.tp3-item-body b {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: var(--tsk-ink);
}

.tp3-item-body small {
    display: block;
    margin-top: 3px;
    font-size: 10.5px;
    color: var(--tsk-faint);
}

.tp3-item-body p {
    margin: 6px 0 0;
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--tsk-sub);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.tp3-empty {
    padding: 30px 20px;
    border: 1.5px dashed var(--tsk-line);
    border-radius: 13px;
    text-align: center;
    background: var(--tsk-card);
}

.tp3-empty span {
    font-size: 28px;
}

.tp3-empty p {
    margin: 8px 0 0;
    font-size: 12px;
    line-height: 1.8;
    color: var(--tsk-sub);
}

/* ---------- 作者与体裁 ---------- */
.tp3-guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 11px;
}

.tp3-guide {
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
    border-radius: 12px;
    padding: 18px 19px;
    box-shadow: var(--tsk-shadow-sm);
}

.tp3-guide-tag {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 99px;
    background: var(--tsk-accent-soft);
    color: var(--tp3-seal);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: .05em;
}

.tp3-guide h3 {
    margin: 9px 0 0;
    font-size: 15px;
    font-weight: 800;
    color: var(--tsk-ink);
}

.tp3-guide p {
    margin: 7px 0 0;
    font-size: 12px;
    line-height: 1.9;
    color: var(--tsk-sub);
}

/* ---------- 背诵方法 ---------- */
.tp3-method {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 11px;
}

.tp3-method-step {
    position: relative;
    padding: 17px 18px 16px;
    border-radius: 12px;
    background: var(--tsk-card);
    border: 1px solid var(--tsk-line);
}

.tp3-method-step b {
    display: inline-flex;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--tsk-brand);
    color: #fff;
    font: 800 12px/28px var(--tsk-num);
    text-align: center;
    justify-content: center;
}

:root[data-theme="dark"] .tp3-method-step b {
    color: #101518;
}

.tp3-method-step h3 {
    margin: 9px 0 0;
    font-size: 14px;
    font-weight: 800;
    color: var(--tsk-ink);
}

.tp3-method-step p {
    margin: 5px 0 0;
    font-size: 11.5px;
    line-height: 1.8;
    color: var(--tsk-sub);
}

.tp3-method-note {
    margin: 11px 0 0;
    font-size: 11.5px;
    line-height: 1.8;
    color: var(--tsk-faint);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .tp3-hero {
        grid-template-columns: 1fr;
    }

    .tp3-board {
        max-width: 460px;
    }
}

@media (max-width: 680px) {
    .tp3-card {
        padding: 20px 18px 18px;
    }

    .tp3-card-hd {
        flex-direction: column;
    }

    .tp3-title {
        font-size: 20px;
    }

    .tp3-poem p {
        font-size: 17px;
        line-height: 2;
    }

    .tp3-explain {
        grid-template-columns: 1fr;
    }

    .tp3-list {
        grid-template-columns: 1fr;
    }

    .tp3-board {
        max-width: none;
    }

    .tp3-acts .tp3-count {
        margin-left: 0;
    }
}

/* ---------- 打印 ---------- */
@media print {
    .tsk.tp3 {
        background: #fff;
    }

    .tsk.tp3 .tp3-hero,
    .tsk.tp3 .tsk-sec,
    .tsk.tp3 .tsk-foot,
    .tsk.tp3 .tskb,
    .tsk.tp3 .tsk-hs,
    .tsk.tp3 .crumb {
        display: none !important;
    }

    .tsk.tp3 .tsk-wrap {
        max-width: none;
        padding: 0;
    }

    .tp3-result {
        display: block !important;
        margin: 0;
    }

    .tp3-card {
        border: 0;
        box-shadow: none;
        background: #fff;
        padding: 0;
    }

    .tp3-card::before {
        display: none;
    }

    .tp3-card-acts,
    .tp3-tools,
    .tp3-recite,
    .tp3-source {
        display: none !important;
    }

    .tp3-poem {
        border-top: 1px solid #ddd;
        border-bottom: 1px solid #ddd;
    }

    .tp3-expl-block {
        border: 0;
        padding: 0;
        background: #fff;
    }

    .tp3-explain {
        display: grid !important;
    }
}