/* AI对联 · 样式（朱红金褐，纸白底，与平台视觉一致） */
.ai-container { box-sizing: border-box; width: min(var(--brand-content-width), calc(100% - 32px)); margin: 0 auto; padding: 0 0 60px; }

/* ---------- 页签 ---------- */
.ai-tabs { display: flex; gap: 6px; margin: 0 0 20px; border-bottom: 1px solid rgba(139,105,20,.2); flex-wrap: wrap; }
.ai-tabs button {
    font-family: var(--brand-title-font); font-size: 16px; letter-spacing: 2px; cursor: pointer;
    padding: 10px 18px; border: none; background: transparent; color: #8b7355; position: relative;
    transition: color .22s;
}
.ai-tabs button:hover { color: #b83a2b; }
.ai-tabs button.on { color: #b83a2b; }
.ai-tabs button.on::after { content: ''; position: absolute; left: 14%; right: 14%; bottom: -1px; height: 2.5px; border-radius: 2px; background: linear-gradient(90deg,#b83a2b,#8b6914); }

/* ---------- 输入行 / 按钮 ---------- */
.ai-row { display: flex; align-items: center; gap: 12px; margin: 0 0 10px; flex-wrap: wrap; }
.ai-input {
    flex: 1; min-width: 220px; padding: 12px 16px; font-family: inherit; font-size: 15px;
    color: #3a3025; background: #fffdf8;
    border: 1.5px solid rgba(139,105,20,.25); border-radius: 10px; outline: none;
    transition: border-color .25s, box-shadow .25s;
}
.ai-input:focus { border-color: var(--accent-gold); box-shadow: 0 0 0 3px rgba(139,105,20,.08); }
.ai-input.short { flex: none; width: 108px; min-width: 0; }
.ai-btn {
    font-family: var(--brand-title-font); font-size: 16px; letter-spacing: 3px; cursor: pointer;
    padding: 11px 26px; border: none; border-radius: 10px; color: #fff;
    background: linear-gradient(135deg,#b83a2b,#922c21); box-shadow: 0 5px 16px rgba(184,58,43,.24);
    transition: transform .2s, box-shadow .2s;
}
.ai-btn:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(184,58,43,.32); }
.ai-btn:active { transform: translateY(0); }

/* ---------- 示例按钮 ---------- */
.ai-samples { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 18px; }
.ai-samples .ai-chip {
    font-family: var(--brand-title-font); font-size: 14px; letter-spacing: 1px; cursor: pointer;
    padding: 6px 14px; border-radius: 20px; color: #8b6914; background: #fdf7ea;
    border: 1px solid rgba(139,105,20,.3); transition: all .2s;
}
.ai-samples .ai-chip:hover { background: #f6ead6; color: #b83a2b; border-color: rgba(184,58,43,.4); }

.ai-tip { font-size: 12.5px; color: var(--text-muted); margin: 0 0 18px; letter-spacing: .3px; line-height: 1.7; }
.ai-note { font-size: 12.5px; color: #b83a2b; background: #fdf0ec; border: 1px solid rgba(184,58,43,.2); border-radius: 8px; padding: 8px 12px; margin: 0 0 16px; }
.ai-loading { font-size: 13.5px; color: var(--text-muted); padding: 14px 0; }

/* ---------- 生成结果卡片 ---------- */
.ai-couple-card {
    padding: 20px 22px 22px; margin-bottom: 16px; border-radius: 12px; background: #fffdf8;
    border: 1px solid rgba(139,105,20,.22); box-shadow: 0 8px 26px rgba(60,50,35,.06);
    position: relative;
}
.ai-couple-card::before { content: ''; position: absolute; inset: 7px; border: 1px solid rgba(139,105,20,.12); border-radius: 8px; pointer-events: none; }
.ai-couple-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.ai-mono { font-size: 11.5px; color: rgba(139,105,20,.75); letter-spacing: .5px; }
.ai-couple-line {
    font-family: var(--brand-title-font); font-size: 24px; letter-spacing: 3px; line-height: 1.6;
    color: #3a3025; padding: 3px 0; display: flex; align-items: baseline; gap: 10px;
}
.ai-couple-line .lab { flex: none; font-size: 12.5px; letter-spacing: 1px; color: #b83a2b; font-family: inherit; }
.ai-couple-line.down { color: #922c21; }
.ai-couple-line .txt { font-family: var(--brand-title-font); }

.ai-badge {
    display: inline-flex; align-items: center; gap: 5px; font-size: 12px; letter-spacing: .5px;
    padding: 3px 10px; border-radius: 12px; border: 1px solid transparent;
}
.ai-badge.corpus { color: #8b6914; background: #faf2dd; border-color: rgba(139,105,20,.35); }
.ai-badge.rule { color: #b83a2b; background: #fbe9e6; border-color: rgba(184,58,43,.3); }
.ai-score { font-size: 13px; color: var(--text-secondary); letter-spacing: .5px; }
.ai-score b { font-size: 16px; color: #8b6914; }
.ai-pzline { margin-top: 10px; padding-top: 10px; border-top: 1px dashed rgba(139,105,20,.2); }

/* ---------- 平仄小格 ---------- */
.ai-pzrow { display: flex; gap: 6px; flex-wrap: wrap; align-items: stretch; margin: 2px 0 4px; }
.ai-pzcell {
    display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
    min-width: 46px; padding: 6px 4px; border-radius: 8px; line-height: 1.15;
}
.ai-pzcell .ch { font-family: var(--brand-title-font); font-size: 22px; }
.ai-pzcell .py { font-size: 10.5px; opacity: .75; }
.ai-pzcell .pz { font-size: 11.5px; font-weight: 600; }
.ai-pzcell.ping { background: #faf2dd; border: 1px solid rgba(139,105,20,.3); color: #8b6914; }
.ai-pzcell.ze { background: #fbe9e6; border: 1px solid rgba(184,58,43,.28); color: #b83a2b; }
.ai-pzlabel { font-size: 12px; color: var(--text-muted); width: 38px; flex: none; align-self: center; letter-spacing: 1px; }

/* ---------- 核对清单 ---------- */
.ai-checklist { list-style: none; margin: 14px 0 0; padding: 0; }
.ai-checklist li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; border-top: 1px dashed rgba(139,105,20,.2); font-size: 14px; }
.ai-checklist li:first-child { border-top: none; }
.ai-checklist .flag { flex: none; width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; }
.ai-checklist .flag.ok { background: #5b8c5a; }
.ai-checklist .flag.no { background: #b83a2b; }
.ai-checklist .ck-label { color: #3a3025; font-weight: 600; }
.ai-checklist .ck-detail { color: var(--text-secondary); font-size: 13px; }

/* ---------- 逐字比对表 ---------- */
.ai-table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 13.5px; }
.ai-table th, .ai-table td { padding: 7px 10px; border: 1px solid rgba(139,105,20,.18); text-align: center; }
.ai-table th { background: #f7eedd; color: #8b6914; font-weight: 600; letter-spacing: .5px; }
.ai-table td.ch { font-family: var(--brand-title-font); font-size: 20px; }
.ai-table td.rel-y { color: #5b8c5a; }
.ai-table td.rel-n { color: #b83a2b; }

/* ---------- 对联库检索 ---------- */
.ai-libbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.ai-select {
    padding: 11px 12px; font-family: inherit; font-size: 14px; color: #3a3025;
    background: #fffdf8; border: 1.5px solid rgba(139,105,20,.25); border-radius: 10px; outline: none;
}
.ai-libmeta { font-size: 12.5px; color: var(--text-muted); margin: 0 0 14px; letter-spacing: .3px; }
.ai-liblist { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.ai-libitem {
    padding: 12px 16px; border-radius: 10px; background: #fffdf8;
    border: 1px solid rgba(139,105,20,.22); box-shadow: 0 4px 14px rgba(60,50,35,.05);
}
.ai-libitem .u, .ai-libitem .d { font-family: var(--brand-title-font); font-size: 19px; letter-spacing: 2px; line-height: 1.6; }
.ai-libitem .u { color: #3a3025; }
.ai-libitem .d { color: #922c21; }
.ai-libitem .no { font-size: 11px; color: rgba(139,105,20,.65); }
.ai-pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin: 20px 0 0; flex-wrap: wrap; }
.ai-pager button {
    font-family: inherit; font-size: 13.5px; cursor: pointer; padding: 7px 14px; border-radius: 8px;
    border: 1px solid rgba(139,105,20,.25); background: #fffdf8; color: #8b7355; transition: all .2s;
}
.ai-pager button:hover:not(:disabled) { border-color: rgba(184,58,43,.4); color: #b83a2b; }
.ai-pager button:disabled { opacity: .45; cursor: not-allowed; }
.ai-pager .pn { font-size: 13px; color: var(--text-muted); letter-spacing: .5px; }

/* ---------- 关于 ---------- */
.ai-about h3 { font-family: var(--brand-title-font); font-size: 19px; color: #8b6914; letter-spacing: 1px; margin: 20px 0 8px; font-weight: 400; }
.ai-about p, .ai-about li { font-size: 14px; color: var(--text-secondary); line-height: 1.85; }
.ai-about code { font-family: Consolas, 'Courier New', monospace; font-size: 13px; color: #922c21; background: #f7eedd; padding: 1px 6px; border-radius: 5px; }
.ai-about pre { background: #fbf6ec; border: 1px solid rgba(139,105,20,.22); border-radius: 8px; padding: 12px 14px; overflow-x: auto; font-size: 13px; color: #3a3025; }

@media (max-width: 560px) {
    .ai-couple-line { font-size: 20px; letter-spacing: 2px; }
    .ai-input { min-width: 150px; }
}