/* ============================================================
   墨泓斋 · 新站应用页样式（refresh/css/apps.css）
   智能体 / 考场 / 工具 / 个人中心 / 管理中心 / 表单中心 / 推送线
   ============================================================ */

/* ---------- 通用：应用页外壳 ---------- */
.mz-app { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 40px; align-items: start; }
.mz-app--wide { grid-template-columns: minmax(0, 1fr); }
.mz-app__main { min-width: 0; }
.mz-panel { border: 1px solid var(--mz-line); border-radius: var(--mz-radius-l); background: var(--mz-paper-2); }
.mz-panel__head { padding: 18px 22px; border-bottom: 1px solid var(--mz-line-2); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.mz-panel__title { font-family: var(--mz-serif); font-size: 1.08rem; }
.mz-panel__body { padding: 22px; }
.mz-panel + .mz-panel { margin-top: 20px; }

/* ---------- 智能体对话 ---------- */
.mz-chat { display: flex; flex-direction: column; height: min(72vh, 720px); min-height: 460px; }
.mz-chat__log { flex: 1; overflow-y: auto; padding: 22px; display: flex; flex-direction: column; gap: 20px; }
.mz-bubble { display: flex; gap: 12px; align-items: flex-start; }
.mz-bubble__avatar {
    width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; object-fit: cover;
    border: 1px solid var(--mz-line); background: var(--mz-paper-3);
}
.mz-bubble__body { max-width: 84%; }
.mz-bubble__who { font-size: .76rem; color: var(--mz-ink-4); margin-bottom: 6px; }
.mz-bubble__text {
    background: var(--mz-paper); border: 1px solid var(--mz-line-2);
    border-radius: 2px 10px 10px 10px; padding: 13px 16px;
    font-size: .96rem; line-height: 1.85; color: var(--mz-ink-2);
    white-space: pre-wrap; word-break: break-word;
}
.mz-bubble--user { flex-direction: row-reverse; }
.mz-bubble--user .mz-bubble__body { text-align: right; }
.mz-bubble--user .mz-bubble__text {
    background: var(--mz-mineral); border-color: transparent; color: #f6fbfc;
    border-radius: 10px 2px 10px 10px; text-align: left;
}
.mz-bubble__foot { margin-top: 8px; display: flex; gap: 10px; flex-wrap: wrap; font-size: .78rem; color: var(--mz-ink-4); }
.mz-reason {
    margin-bottom: 10px; border-left: 2px solid var(--mz-line-strong); padding-left: 12px;
    font-size: .84rem; color: var(--mz-ink-4); white-space: pre-wrap;
}
.mz-reason summary { cursor: pointer; color: var(--mz-ink-3); }
.mz-chat__compose { border-top: 1px solid var(--mz-line); padding: 16px 22px 18px; background: var(--mz-paper-2); }
.mz-chat__input {
    width: 100%; min-height: 74px; max-height: 220px; resize: vertical;
    border: 1px solid var(--mz-line); border-radius: var(--mz-radius); padding: 12px 14px;
    background: var(--mz-paper); font-size: .96rem; line-height: 1.7;
}
.mz-chat__input:focus { outline: none; border-color: var(--mz-cinnabar); box-shadow: var(--mz-ring); }
.mz-chat__tools { margin-top: 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.mz-chip-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.mz-thread { display: flex; flex-direction: column; gap: 2px; }
.mz-thread button {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 10px 12px; border-radius: var(--mz-radius); font-size: .88rem; color: var(--mz-ink-2); text-align: left;
}
.mz-thread button:hover { background: var(--mz-cinnabar-wash); color: var(--mz-cinnabar); }
.mz-thread button.is-active { background: var(--mz-cinnabar-wash); color: var(--mz-cinnabar); font-weight: 700; }
.mz-thread__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mz-quota { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 考试 ---------- */
.mz-exam__meta { display: flex; gap: 18px; flex-wrap: wrap; font-size: .86rem; color: var(--mz-ink-3); }
.mz-exam__timer {
    font-family: var(--mz-mono); font-size: 1.2rem; color: var(--mz-cinnabar);
    border: 1px solid var(--mz-line); border-radius: var(--mz-radius); padding: 6px 14px;
}
.mz-exam__timer.is-urgent { animation: mz-blink 1s steps(2, start) infinite; }
@keyframes mz-blink { to { opacity: .45; } }
.mz-exam__passage {
    background: var(--mz-paper-3); border-left: 2px solid var(--mz-line-strong);
    padding: 20px 22px; border-radius: var(--mz-radius); line-height: 2; font-size: .98rem; white-space: pre-wrap;
}
.mz-exam__item { padding: 22px 0; border-bottom: 1px dashed var(--mz-line); }
.mz-exam__item:last-child { border-bottom: 0; }
.mz-exam__stem { font-size: 1rem; line-height: 1.9; }
.mz-exam__stem b { color: var(--mz-cinnabar); margin-right: 6px; }
.mz-options { display: grid; gap: 10px; margin-top: 14px; }
.mz-option {
    display: flex; align-items: flex-start; gap: 10px; padding: 11px 14px;
    border: 1px solid var(--mz-line); border-radius: var(--mz-radius);
    background: var(--mz-paper); cursor: pointer; transition: border-color .16s, background-color .16s;
}
.mz-option:hover { border-color: var(--mz-cinnabar); }
.mz-option input { margin-top: 4px; accent-color: var(--mz-cinnabar); }
.mz-option.is-picked { border-color: var(--mz-cinnabar); background: var(--mz-cinnabar-wash); }
.mz-option__key { font-family: var(--mz-mono); color: var(--mz-ink-4); }
.mz-blank { display: inline-block; min-width: 130px; border: 0; border-bottom: 1px solid var(--mz-line-strong); padding: 2px 6px; background: transparent; }
.mz-blank:focus { outline: none; border-bottom-color: var(--mz-cinnabar); }
.mz-exam__nav { display: flex; flex-wrap: wrap; gap: 6px; }
.mz-exam__nav button {
    width: 34px; height: 34px; border: 1px solid var(--mz-line); border-radius: var(--mz-radius);
    font-family: var(--mz-mono); font-size: .82rem; color: var(--mz-ink-3);
}
.mz-exam__nav button.is-done { border-color: var(--mz-mineral); color: var(--mz-mineral); background: var(--mz-mineral-wash); }
.mz-exam__nav button.is-current { border-color: var(--mz-cinnabar); color: #fdfbf6; background: var(--mz-cinnabar); }
.mz-score { display: flex; align-items: baseline; gap: 10px; }
.mz-score__num { font-family: var(--mz-serif); font-size: 2.6rem; color: var(--mz-cinnabar); line-height: 1; }

/* ---------- 工具：倒计时 ---------- */
.mz-ring { position: relative; width: min(72vw, 400px); aspect-ratio: 1; margin: 0 auto; }
.mz-ring svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.mz-ring__track { fill: none; stroke: var(--mz-line); stroke-width: 6; }
.mz-ring__bar { fill: none; stroke: var(--mz-cinnabar); stroke-width: 6; stroke-linecap: round; transition: stroke-dashoffset .4s linear; }
.mz-ring__center { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; }
.mz-ring__time { font-family: var(--mz-serif); font-size: clamp(2.6rem, 9vw, 4.6rem); letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.mz-ring__label { font-size: .82rem; letter-spacing: .3em; color: var(--mz-ink-4); text-transform: uppercase; }
.mz-tool--fullscreen {
    position: fixed; inset: 0; z-index: 150; background: var(--mz-paper);
    display: flex; flex-direction: column; justify-content: center; gap: 30px; padding: 40px;
}
.mz-tool--fullscreen .mz-ring { width: min(80vh, 70vw); }
.mz-tool--fullscreen .mz-ring__time { font-size: min(18vh, 16vw); }
.mz-scene-row { display: flex; gap: 8px; flex-wrap: wrap; }
.mz-picker__result {
    min-height: 168px; display: grid; place-items: center; text-align: center;
    border: 1px solid var(--mz-line); border-radius: var(--mz-radius-l);
    background: var(--mz-paper-2); padding: 26px;
}
.mz-picker__name { font-family: var(--mz-serif); font-size: clamp(2.2rem, 8vw, 4rem); letter-spacing: .06em; }
.mz-picker__name.is-rolling { color: var(--mz-ink-4); }
.mz-history { display: flex; gap: 8px; flex-wrap: wrap; font-size: .82rem; color: var(--mz-ink-4); }

/* ---------- 个人中心 / 管理中心 ---------- */
.mz-kv { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 12px 18px; font-size: .92rem; }
.mz-kv dt { color: var(--mz-ink-4); }
.mz-kv dd { margin: 0; color: var(--mz-ink-2); word-break: break-all; }
.mz-history-list { display: flex; flex-direction: column; }
.mz-history-list li {
    display: flex; justify-content: space-between; gap: 14px; padding: 12px 0;
    border-bottom: 1px dashed var(--mz-line); font-size: .88rem; color: var(--mz-ink-3);
}
.mz-avatar-lg { width: 92px; height: 92px; border-radius: 50%; object-fit: cover; border: 1px solid var(--mz-line); }
.mz-pref-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px dashed var(--mz-line); }
.mz-pref-row:last-child { border-bottom: 0; }
.mz-pref-row__text { max-width: 46ch; }
.mz-pref-row__title { font-size: .96rem; }
.mz-pref-row__desc { font-size: .84rem; color: var(--mz-ink-4); margin-top: 4px; }

/* ---------- 侧栏导航（个人/管理中心） ---------- */
.mz-sidenav { display: flex; flex-direction: column; gap: 2px; }
.mz-sidenav a, .mz-sidenav button {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 11px 14px; border-radius: var(--mz-radius); font-size: .92rem; color: var(--mz-ink-2);
}
.mz-sidenav a:hover, .mz-sidenav button:hover { background: var(--mz-cinnabar-wash); color: var(--mz-cinnabar); }
.mz-sidenav [aria-current="page"], .mz-sidenav .is-active { background: var(--mz-cinnabar-wash); color: var(--mz-cinnabar); font-weight: 700; }

/* ---------- 表格（成绩、日志） ---------- */
.mz-table-wrap { overflow-x: auto; }
.mz-table { font-size: .9rem; min-width: 480px; }
.mz-table th, .mz-table td { border-bottom: 1px solid var(--mz-line); padding: 11px 12px; text-align: left; vertical-align: top; }
.mz-table th { font-weight: 700; color: var(--mz-ink-3); font-size: .82rem; letter-spacing: .06em; background: var(--mz-paper-3); }
.mz-table tr:hover td { background: var(--mz-cinnabar-wash); }

/* ---------- 空/加载骨架的列表占位 ---------- */
.mz-skel-list { display: flex; flex-direction: column; gap: 14px; }
.mz-skel-list .mz-skeleton { height: 46px; }

@media (max-width: 980px) {
    .mz-app { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .mz-bubble__body { max-width: 92%; }
    .mz-chat { height: auto; min-height: 0; }
    .mz-chat__log { max-height: 62vh; }
}