/* ==========================================================
   古诗文默写 · 样式（朱红金褐，纸白底，与平台视觉一致）
   数据来源：Binkic/Reciter（MIT）
   ========================================================== */
.mx-container { box-sizing: border-box; width: min(var(--brand-content-width), calc(100% - 32px)); margin: 0 auto; padding: 0 0 60px; }

/* ---------- 模式切换 ---------- */
.mx-tabs { display: flex; gap: 10px; margin: 8px 0 18px; flex-wrap: wrap; }
.mx-tab {
    font-family: var(--brand-title-font); font-size: 17px; letter-spacing: 3px; cursor: pointer;
    padding: 10px 26px; border-radius: 10px; color: #6b5a42;
    background: linear-gradient(168deg,#fbf6ec,#f4e9d6);
    border: 1px solid rgba(139,105,20,.22);
    transition: transform .2s, box-shadow .2s, color .2s, border-color .2s;
}
.mx-tab:hover { transform: translateY(-2px); border-color: rgba(139,105,20,.42); }
.mx-tab.is-on { color: #fff; background: linear-gradient(135deg,#b83a2b,#922c21); border-color: transparent; box-shadow: 0 6px 18px rgba(184,58,43,.26); }

/* ---------- 面板 ---------- */
.mx-panel {
    position: relative; padding: 22px 24px 20px; margin: 0 0 22px; border-radius: 12px;
    background: radial-gradient(ellipse 80% 100% at 12% 0%, rgba(184,58,43,.045), transparent 60%), linear-gradient(168deg,#fbf6ec,#f4e9d6);
    border: 1px solid rgba(139,105,20,.22); box-shadow: 0 8px 26px rgba(60,50,35,.06);
}
.mx-sechead { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 0 16px; flex-wrap: wrap; }
.mx-sectitle { font-family: var(--brand-title-font); font-size: 22px; font-weight: 400; letter-spacing: 4px; color: #5b4c37; position: relative; padding-left: 14px; margin: 0; }
.mx-sectitle::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 20px; border-radius: 2px; background: linear-gradient(180deg, #b83a2b, #8b6914); }
.mx-secsub { font-size: 13px; color: var(--text-muted); letter-spacing: 1px; }

.mx-row { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; flex-wrap: wrap; }
.mx-lab { font-size: 13.5px; color: var(--text-secondary); letter-spacing: 1px; }
.mx-select {
    padding: 10px 14px; font-family: inherit; font-size: 14.5px; color: var(--text-primary);
    background: #fffdf8; border: 1.5px solid rgba(139,105,20,.25); border-radius: 10px; outline: none; min-width: 220px;
}
.mx-select-sm { min-width: 110px; }
.mx-select:focus { border-color: var(--accent-gold); box-shadow: 0 0 0 3px rgba(139,105,20,.08); }

.mx-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;
}
.mx-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(184,58,43,.3); }
.mx-btn:active { transform: translateY(0); }
.mx-btn-ghost {
    color: #6b5a42; background: #fffdf8; border: 1.5px solid rgba(139,105,20,.3); box-shadow: none;
}
.mx-btn-ghost:hover { box-shadow: 0 6px 16px rgba(139,105,20,.14); }
.mx-btn-sm { font-size: 13.5px; letter-spacing: 1.5px; padding: 6px 14px; }

.mx-note { font-size: 12.5px; line-height: 1.8; color: var(--text-muted); margin: 0 0 16px; padding: 10px 14px; border-radius: 8px; background: rgba(139,105,20,.05); border: 1px dashed rgba(139,105,20,.24); }

.mx-body { margin: 0; }
.mx-actions { display: flex; align-items: center; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.mx-score { font-size: 14px; color: var(--text-secondary); letter-spacing: 1px; }
.mx-score b { color: #b83a2b; font-size: 18px; }

/* ---------- 篇目标题与句子 ---------- */
.mx-poemhead { display: flex; align-items: baseline; gap: 12px; padding: 12px 16px; margin: 0 0 14px; border-radius: 10px; background: rgba(139,105,20,.06); border-left: 3px solid #b83a2b; }
.mx-poemhead h4 { font-family: var(--brand-title-font); font-size: 19px; font-weight: 400; letter-spacing: 2px; color: #3a3025; margin: 0; }
.mx-poemhead .mx-src { font-size: 12.5px; color: var(--text-muted); }

.mx-line { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px dashed rgba(139,105,20,.16); flex-wrap: wrap; }
.mx-line:last-child { border-bottom: none; }
.mx-lineno { flex: 0 0 26px; font-size: 12px; color: var(--text-muted); padding-top: 10px; text-align: right; }
.mx-linebody { flex: 1 1 460px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 19px; line-height: 2.1; color: var(--text-primary); }
.mx-unit { white-space: nowrap; }
.mx-blank {
    display: inline-block; min-width: 106px; padding: 3px 8px; margin: 0 1px;
    font-family: inherit; font-size: 17px; text-align: center; color: #2c4a6e;
    background: #fffdf8; border: none; border-bottom: 1.6px solid rgba(139,105,20,.45); outline: none;
    transition: border-color .2s, background .2s;
}
.mx-blank:focus { background: #fff8e8; border-bottom-color: #b83a2b; }
.mx-blank.ok { color: #3d6b4f; border-bottom-color: #5a8a6e; background: rgba(90,138,110,.08); }
.mx-blank.bad { color: #b83a2b; border-bottom-color: #b83a2b; background: rgba(184,58,43,.07); text-decoration: line-through; }
.mx-fix { font-size: 14px; color: #3d6b4f; margin-left: 4px; white-space: nowrap; }
.mx-hintbtn { font-size: 12px; color: #8b6914; background: none; border: none; cursor: pointer; padding: 2px 4px; text-decoration: underline dotted; }
.mx-gap { color: rgba(139,105,20,.55); }

/* ---------- 理解性默写 ---------- */
.mx-stem { font-size: 17px; line-height: 2.2; color: var(--text-primary); padding: 16px 18px; border-radius: 10px; background: #fffdf8; border: 1px solid rgba(139,105,20,.2); margin: 0 0 16px; }
.mx-stem .mx-src { display: block; margin-top: 8px; font-size: 12.5px; color: var(--text-muted); }
.mx-ansrow { display: flex; align-items: center; gap: 12px; margin: 0 0 10px; flex-wrap: wrap; }
.mx-ansidx { flex: 0 0 30px; font-size: 13px; color: var(--text-muted); }
.mx-ansinput {
    flex: 1 1 320px; padding: 10px 14px; font-family: inherit; font-size: 16px; color: #2c4a6e;
    background: #fffdf8; border: 1.5px solid rgba(139,105,20,.25); border-radius: 10px; outline: none;
}
.mx-ansinput:focus { border-color: var(--accent-gold); box-shadow: 0 0 0 3px rgba(139,105,20,.08); }
.mx-ansinput.ok { color: #3d6b4f; border-color: #5a8a6e; background: rgba(90,138,110,.07); }
.mx-ansinput.bad { color: #b83a2b; border-color: #b83a2b; background: rgba(184,58,43,.06); }
.mx-ref { font-size: 14px; color: #3d6b4f; }
.mx-ref-src { display: block; margin-top: 10px; font-size: 13px; color: var(--text-muted); }

/* ---------- 统计 ---------- */
.mx-statgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin: 0 0 20px; }
.mx-statcard { padding: 16px 14px; border-radius: 10px; background: #fffdf8; border: 1px solid rgba(139,105,20,.2); text-align: center; }
.mx-statcard .n { font-family: var(--brand-title-font); font-size: 30px; color: #b83a2b; line-height: 1.2; }
.mx-statcard .n.green { color: #3d6b4f; }
.mx-statcard .k { font-size: 12.5px; color: var(--text-muted); letter-spacing: 1px; margin-top: 4px; }
.mx-wrongitem { padding: 10px 14px; margin: 0 0 8px; border-radius: 8px; background: rgba(184,58,43,.05); border-left: 3px solid rgba(184,58,43,.5); font-size: 14px; line-height: 1.9; color: var(--text-secondary); }
.mx-wrongitem b { color: #b83a2b; font-weight: 400; }
.mx-empty { padding: 26px; text-align: center; font-size: 14px; color: var(--text-muted); letter-spacing: 1px; }

@media (max-width: 640px) {
    .mx-panel { padding: 18px 16px 16px; }
    .mx-select { min-width: 0; flex: 1 1 140px; }
    .mx-linebody { font-size: 17px; }
    .mx-blank { min-width: 84px; font-size: 16px; }
}