/* 登录、个人档案与班级工作台：复用六套主题，表单和数据表支持横竖屏。 */
.account-page { width: 100%; height: 100vh; height: 100dvh; overflow: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; touch-action: pan-x pan-y; background: var(--theme-canvas); color: var(--theme-text); font-family: "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 14px; line-height: 1.65; text-align: left; }
.account-page h1, .account-page h2, .account-page h3, .account-page p { margin: 0; }
.account-page button, .account-page input, .account-page select { font: inherit; }
.account-page button { width: auto; margin: 0; line-height: 1.4; }
.account-page input, .account-page select { min-width: 0; min-height: 44px; width: 100%; border: 1px solid var(--theme-line); border-radius: 10px; color: var(--theme-text); background: var(--theme-surface); padding: 10px 13px; outline: none; -webkit-user-select: text; user-select: text; }
.account-page input::placeholder { color: var(--theme-muted); opacity: .78; }
.account-page input:focus, .account-page select:focus { border-color: var(--theme-primary); box-shadow: 0 0 0 3px rgba(var(--theme-primary-rgb), .13); }
.account-page button:focus-visible, .account-page a:focus-visible { outline: 3px solid var(--theme-primary); outline-offset: 3px; }
.account-page button:disabled { cursor: wait; opacity: .55; }
.account-page a { color: inherit; text-decoration: none; }
.account-page .account-muted { color: var(--theme-muted); font-size: 13px; }
.account-eyebrow { color: var(--theme-primary); font-size: 11px; letter-spacing: 2px; font-weight: 700; }
.account-primary, .account-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 44px; padding: 11px 20px; border-radius: 11px; font-weight: 700 !important; }
.account-page .account-primary { color: var(--theme-on-primary); background: var(--theme-primary); border: 1px solid var(--theme-primary); }
.account-page .account-primary:hover { background: var(--theme-primary-hover); }
.account-page .account-secondary { color: var(--theme-text); background: var(--theme-surface); border: 1px solid var(--theme-line); }
.account-page .account-secondary:hover { background: var(--theme-soft); }
.account-page .account-link { color: var(--theme-primary); background: transparent; padding: 8px 4px; min-height: 40px; font-weight: 600; text-decoration: none; }
.account-page .account-alert { margin: 12px 0; color: var(--theme-danger); background: rgba(var(--theme-danger-rgb), .07); border: 1px solid rgba(var(--theme-danger-rgb), .18); border-radius: 10px; padding: 12px 15px; }
.account-page .account-notice { margin: 12px 0; border-left: 3px solid var(--theme-primary); padding: 8px 12px; color: var(--theme-secondary); background: var(--theme-soft); }
.account-page .account-success { color: var(--theme-success); padding: 10px 0; }
.account-brand { display: inline-flex; gap: 12px; align-items: center; font-size: 19px; line-height: 1.25; font-weight: 800; flex-shrink: 0; }
.account-brand small { display: block; margin-top: 5px; color: var(--theme-muted); font-size: 10px; font-weight: 400; letter-spacing: 2px; }
.account-brand-mark { display: flex; align-items: center; justify-content: center; width: 43px; height: 43px; border-radius: 12px; background: var(--theme-primary); color: var(--theme-on-primary); font-family: "STKaiti", "KaiTi", serif; font-size: 25px; }
.account-brand-sword { width: 27px; height: 27px; display: block; filter: drop-shadow(0 2px 2px rgba(0,0,0,.2)); }
.account-brand-sword .brand-sword-blade { fill: #e9f4ff; stroke: #8fc9f1; stroke-width: .8; }
.account-brand-sword .brand-sword-edge { fill: none; stroke: #f6c477; stroke-width: 1.3; stroke-linecap: round; opacity: .9; }
.account-brand-sword .brand-sword-guard { fill: #f0ae5d; stroke: #ffd891; stroke-width: .7; }
.account-brand-sword .brand-sword-hilt { fill: #4a9bd0; stroke: #a9d8f6; stroke-width: .7; }
.account-brand-sword .brand-sword-pommel { fill: #f0ae5d; stroke: #ffd891; stroke-width: .7; }
.account-brand-button { background: transparent; color: var(--theme-text); padding: 0; text-align: left; }
.account-tabs { display: inline-flex; padding: 4px; border-radius: 12px; background: var(--theme-soft); gap: 4px; }
.account-tabs button { border-radius: 9px; padding: 10px 20px; min-height: 42px; background: transparent; color: var(--theme-muted); font-weight: 600; }
.account-tabs button.active { color: var(--theme-primary); background: var(--theme-surface); box-shadow: 0 2px 5px rgba(var(--theme-ink-rgb), .06); }
.account-field { display: flex; flex-direction: column; gap: 7px; color: var(--theme-secondary); font-size: 13px; font-weight: 600; }
.account-form-grid { display: grid; gap: 17px; margin-top: 22px; }
.account-form-grid.is-register { grid-template-columns: 1fr 1fr; gap: 13px 16px; }
.field-wide { grid-column: 1 / -1; }
.account-role { display: flex; margin: 20px 0 0; gap: 10px; border: 0; padding: 0; }
.account-role legend { margin-bottom: 7px; color: var(--theme-muted); font-size: 12px; }
.account-role label { flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 15px; border: 1px solid var(--theme-line); border-radius: 9px; cursor: pointer; }
.account-role input { width: 15px; height: 15px; min-height: 0; accent-color: var(--theme-primary); }
.account-role .selected { background: var(--theme-soft); border-color: var(--theme-primary); color: var(--theme-primary); }
.auth-page { display: flex; flex-direction: column; background: radial-gradient(ellipse at 10% 95%, rgba(var(--theme-primary-rgb), .08), transparent 65%), var(--theme-canvas); }
.auth-layout { width: min(1100px, 100%); flex: 1 0 auto; min-height: auto; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 7vw, 110px); align-items: center; padding: 60px max(28px, env(safe-area-inset-right)) 24px max(28px, env(safe-area-inset-left)); }
.auth-beian { flex: 0 0 auto; text-align: center; padding: 0 16px max(18px, env(safe-area-inset-bottom)); color: var(--theme-muted); font-size: 12px; line-height: 1.6; }
.auth-beian a:hover { text-decoration: underline; }
.auth-intro { align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; padding: 5px 0 15px; max-height: 610px; min-height: 400px; }
.auth-intro-copy { padding: 54px 0; }
.auth-intro h1 { font-family: "STKaiti", "KaiTi", "Microsoft YaHei", serif; font-size: clamp(40px, 5.7vw, 72px); line-height: 1.22; letter-spacing: 2px; margin: 16px 0 22px; }
.auth-intro p { color: var(--theme-secondary); font-size: 14px; line-height: 1.9; }
.auth-features { display: flex; gap: 26px; color: var(--theme-muted); font-size: 11px; }
.auth-features span { border-left: 1px solid var(--theme-line); padding-left: 14px; }
.auth-features b { display: block; color: var(--theme-primary); font-size: 25px; font-weight: 500; letter-spacing: 1px; }
.auth-card { border: 1px solid var(--theme-line); border-radius: 22px; padding: clamp(24px, 3vw, 38px); background: var(--theme-surface); box-shadow: var(--theme-shadow); }
.auth-card h2 { font-size: 25px; margin: 23px 0 8px; letter-spacing: -.5px; }
.auth-card .account-tabs { width: 100%; }
.auth-card .account-tabs button { flex: 1; }
.auth-card .auth-submit { width: 100%; margin-top: 25px; min-height: 48px; }
.auth-note { color: var(--theme-muted); font-size: 11px; margin-top: 19px !important; line-height: 1.8; }
.class-code-input { text-transform: uppercase; letter-spacing: 2px; }
.account-container { width: min(1280px, 100%); margin: 0 auto; padding: 25px max(28px, env(safe-area-inset-right)) 65px max(28px, env(safe-area-inset-left)); }
.account-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 52px; padding-right: 82px; }
.account-header nav { display: flex; align-items: center; gap: 18px; }
.teacher-identity { color: var(--theme-secondary); font-size: 13px; max-width: 180px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.account-page-title { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin: 36px 0 27px; }
.account-page-title > div:first-child { min-width: 0; overflow-wrap: anywhere; }
.account-page-title h1 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; letter-spacing: -.6px; margin: 7px 0 8px; }
.account-page-title p { color: var(--theme-muted); font-size: 13px; }
.account-title-dot { padding: 0 8px; }
.profile-sync { flex-shrink: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 12px; font-size: 12px; color: var(--theme-muted); }
.profile-sync i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--theme-warning); margin-right: 6px; }
.profile-sync .is-saved { color: var(--theme-success); }
.profile-sync .is-saved i { background: var(--theme-success); }
.account-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; margin: 24px 0; }
.account-metrics > div { padding: 21px 24px; border: 1px solid var(--theme-line); border-radius: 14px; background: var(--theme-surface); }
.account-metrics span { font-size: 12px; color: var(--theme-secondary); }
.account-metrics strong { display: block; font-size: 35px; font-weight: 700; line-height: 1.3; margin: 9px 0; font-variant-numeric: tabular-nums; }
.account-metrics small { font-size: 15px; font-weight: 400; color: var(--theme-muted); }
.account-metrics p { font-size: 11px; color: var(--theme-muted); }
.account-section-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 30px 0 20px; }
.record-explainer { margin-bottom: 19px !important; }
.chapter-record { border: 1px solid var(--theme-line); border-radius: 14px; overflow: hidden; margin: 18px 0; background: var(--theme-surface); }
.chapter-record header { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 17px 23px; border-bottom: 1px solid var(--theme-line); }
.chapter-record header > div { display: flex; gap: 12px; align-items: center; }
.chapter-record header h3 { font-size: 17px; }
.chapter-record header > span { color: var(--theme-muted); font-size: 12px; }
.account-chapter-number { font-size: 11px; color: var(--theme-primary); border: 1px solid var(--theme-line); border-radius: 7px; padding: 4px 7px; }
.account-table-scroll { width: 100%; overflow: auto; touch-action: pan-x pan-y; -webkit-overflow-scrolling: touch; }
.account-table { width: 100%; border-collapse: collapse; white-space: nowrap; font-size: 13px; text-align: left; }
.account-table th, .account-table td { padding: 15px 23px; border-bottom: 1px solid rgba(var(--theme-ink-rgb), .08); font-weight: 400; vertical-align: middle; }
.account-table thead { background: rgba(var(--theme-soft-rgb), .6); color: var(--theme-muted); font-size: 11px; }
.account-table tbody th { font-weight: 600; }
.account-table tbody tr:last-child > * { border-bottom: 0; }
.account-table small { display: block; color: var(--theme-muted); font-size: 11px; font-weight: 400; margin-top: 4px; }
.account-table td { font-variant-numeric: tabular-nums; }
.account-status { display: inline-flex; padding: 3px 8px; border: 1px solid var(--theme-line); border-radius: 6px; color: var(--theme-muted); font-size: 11px; white-space: nowrap; }
.account-status.is-complete { color: var(--theme-success); background: rgba(var(--theme-success-rgb), .07); border-color: rgba(var(--theme-success-rgb), .2); }
.account-filter-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 18px 0; }
.account-filter-bar h2 { font-size: 20px; }
.account-filter-bar label { display: flex; gap: 12px; align-items: center; color: var(--theme-secondary); white-space: nowrap; font-size: 12px; }
.account-filter-bar select { width: auto; font-size: 13px; }
.account-empty { border: 1px dashed var(--theme-line); border-radius: 14px; padding: 45px 24px; text-align: center; background: rgba(var(--theme-surface-rgb), .5); color: var(--theme-muted); }
.account-empty h3 { font-size: 17px; color: var(--theme-text); margin-bottom: 8px; }
.account-empty p { font-size: 13px; }
.account-empty-symbol { display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; width: 42px; height: 42px; border-radius: 50%; color: var(--theme-primary); background: var(--theme-soft); font-size: 22px; }
.wrong-record { background: var(--theme-surface); border: 1px solid var(--theme-line); border-radius: 14px; padding: 23px 26px; margin: 16px 0; }
.wrong-record-head, .wrong-record footer { display: flex; justify-content: space-between; align-items: center; gap: 15px; font-size: 12px; color: var(--theme-muted); }
.wrong-record h3 { font-size: 16px; line-height: 1.8; margin: 16px 0; }
.wrong-answer, .correct-answer { display: flex; gap: 16px; align-items: baseline; padding: 12px 15px; border-radius: 9px; margin: 10px 0; }
.wrong-answer { color: var(--theme-danger); background: rgba(var(--theme-danger-rgb), .05); }
.correct-answer { color: var(--theme-success); background: rgba(var(--theme-success-rgb), .07); }
.wrong-answer b, .correct-answer b { flex-shrink: 0; font-size: 11px; }
.wrong-answer p, .correct-answer p { font-size: 13px; }
.wrong-explanation { color: var(--theme-secondary); font-size: 13px; line-height: 1.9; margin: 15px 0 !important; }
.history-records .account-table-scroll { border: 1px solid var(--theme-line); border-radius: 12px; background: var(--theme-surface); }
.history-more { margin: 20px auto !important; display: flex; }
.class-toolbar { display: flex; align-items: center; gap: 22px; padding: 18px 22px; background: var(--theme-surface); border: 1px solid var(--theme-line); border-radius: 14px; }
.class-select-label { display: flex; align-items: center; gap: 13px; font-size: 12px; color: var(--theme-muted); white-space: nowrap; }
.class-select-label select { width: 235px; max-width: 32vw; color: var(--theme-text); font-weight: 600; }
.class-code { display: flex; align-items: center; gap: 10px; flex: 1; font-size: 12px; color: var(--theme-muted); }
.class-code input { width: 112px; min-height: 34px; background: var(--theme-soft); border-color: transparent; border-radius: 7px; padding: 6px 8px; text-align: center; font-weight: 700; letter-spacing: 2px; color: var(--theme-primary); font-family: monospace; }
.class-create-form { display: flex; align-items: flex-end; gap: 15px; margin: 18px 0; padding: 20px; border: 1px dashed var(--theme-line); border-radius: 12px; }
.class-create-form .account-field { width: 320px; }
.class-roster { padding: 8px 24px 24px; background: var(--theme-surface); border: 1px solid var(--theme-line); border-radius: 15px; }
.class-roster .account-table-scroll { margin: 0 -24px; width: calc(100% + 48px); }
.roster-filters { display: flex; align-items: center; gap: 12px; }
.roster-filters input { width: 210px; font-size: 13px; }
.roster-table th, .roster-table td { padding-left: 18px; padding-right: 18px; }
.roster-progress { min-width: 158px; }
.roster-progress > div { display: flex; justify-content: space-between; gap: 24px; font-size: 11px; margin-bottom: 7px; }
.roster-progress > div span { color: var(--theme-muted); }
.roster-progress progress { appearance: none; width: 100%; height: 5px; border: 0; display: block; border-radius: 5px; background: var(--theme-soft); overflow: hidden; }
.roster-progress progress::-webkit-progress-bar { background: var(--theme-soft); }
.roster-progress progress::-webkit-progress-value { background: var(--theme-primary); border-radius: 5px; }
.roster-progress progress::-moz-progress-bar { background: var(--theme-primary); border-radius: 5px; }
.wrong-count { color: var(--theme-danger); }
.account-page-footer { color: var(--theme-muted); font-size: 11px; text-align: center; padding: 28px 10px 0; }
.account-settings-panel { margin-top: 32px; background: var(--theme-surface); border: 1px solid var(--theme-line); border-radius: 16px; padding: 28px; }
.account-settings-panel h2 { font-size: 24px; margin: 6px 0; }
.account-settings-panel h3 { font-size: 16px; }
.password-form { width: min(400px, 100%); display: grid; gap: 14px; margin: 28px 0; }
.account-signout { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--theme-line); padding-top: 25px; }
.account-sync-banner { position: fixed; z-index: 10005; left: max(12px, env(safe-area-inset-left)); bottom: max(10px, env(safe-area-inset-bottom)); right: max(12px, env(safe-area-inset-right)); display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px 16px; padding: 10px 16px; border-radius: 12px; border: 1px solid var(--theme-line); box-shadow: var(--theme-shadow); background: var(--theme-surface); color: var(--theme-warning); font-size: 12px; line-height: 1.5; }
.account-sync-banner button { background: var(--theme-soft); color: var(--theme-primary); border: 1px solid var(--theme-line); border-radius: 8px; padding: 8px 12px; font-size: 12px; min-height: 36px; }
.home .cover-account { width: auto; background: transparent; color: inherit; font-size: inherit; padding: 8px 0 8px 10px; }
.account-screen .rotate-hint { display: none !important; }
.account-screen .ios-install-tip { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.account-boot { height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: var(--theme-primary); background: var(--theme-canvas); }
.account-boot strong { font-size: 27px; letter-spacing: 3px; }
.account-boot span { font-size: 13px; color: var(--theme-muted); }
:root[data-theme="classic"] :is(.account-page, .account-sync-banner) { --theme-soft-rgb: 36, 49, 40; --theme-success: #8ccda4; --theme-success-rgb: 140, 205, 164; --theme-danger: #f0a49d; --theme-danger-rgb: 240, 164, 157; --theme-warning: #e1bc68; }
@media (max-width: 1000px) {
  .account-container { padding-left: max(20px, env(safe-area-inset-left)); padding-right: max(20px, env(safe-area-inset-right)); }
  .account-metrics > div { padding: 16px; }
  .class-toolbar { gap: 14px; flex-wrap: wrap; }
  .class-select-label select { width: 210px; }
  .class-code { flex: 1; }
  .account-table th, .account-table td { padding: 12px 17px; }
}
@media (max-height: 560px) and (min-width: 661px) {
  .auth-layout { padding-top: 28px; padding-bottom: 28px; gap: 35px; align-items: start; }
  .auth-intro { position: sticky; top: 28px; min-height: 310px; padding: 5px 0; }
  .auth-intro-copy { padding: 24px 0; }
  .auth-intro h1 { font-size: 43px; margin: 9px 0 13px; }
  .auth-intro p { font-size: 12px; }
  .auth-card { padding: 21px 24px; margin-top: 25px; }
  .auth-card h2 { margin-top: 16px; font-size: 23px; }
  .account-form-grid { margin-top: 17px; gap: 12px; }
  .account-container { padding-top: 15px; }
  .account-page-title { margin: 22px 0; }
  .account-header nav { gap: 14px; }
}
@media (max-width: 660px) {
  .auth-layout { display: flex; flex-direction: column; gap: 24px; padding: 25px 20px 35px; }
  .auth-intro { min-height: 0; width: 100%; display: block; }
  .auth-intro-copy { padding: 25px 0 0; }
  .auth-intro h1 { font-size: 38px; margin: 8px 0 10px; }
  .auth-intro-copy > p, .auth-features { display: none; }
  .auth-card { width: 100%; padding: 25px 23px; }
  .account-header { gap: 12px; flex-wrap: wrap; padding-right: 75px; }
  .account-header nav { gap: 14px; flex-wrap: wrap; width: calc(100% + 75px); margin-right: -75px; }
  .account-brand { font-size: 18px; }
  .account-page-title { align-items: flex-start; flex-direction: column; gap: 15px; margin-top: 24px; }
  .account-page-title h1 { font-size: 25px; overflow-wrap: anywhere; }
  .profile-sync { width: 100%; flex-direction: row; justify-content: space-between; align-items: center; }
  .account-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .account-metrics strong { font-size: 31px; }
  .account-metrics p { font-size: 10px; }
  .account-section-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .account-tabs button { padding: 10px 16px; }
  .account-section-bar > .account-tabs { width: 100%; }
  .account-section-bar > .account-tabs button { flex: 1; }
  .account-filter-bar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .chapter-record header { padding: 15px; }
  .wrong-record { padding: 19px 16px; }
  .wrong-record-head, .wrong-record footer { gap: 10px; flex-wrap: wrap; }
  .wrong-answer, .correct-answer { flex-direction: column; gap: 5px; }
  .class-toolbar { padding: 16px; gap: 15px; }
  .class-select-label { width: 100%; justify-content: space-between; }
  .class-select-label select { max-width: none; width: 72%; }
  .class-code { flex: 1 0 100%; }
  .class-create-form { padding: 16px; flex-wrap: wrap; }
  .class-roster { padding-left: 16px; padding-right: 16px; }
  .class-roster .account-table-scroll { margin-left: -16px; margin-right: -16px; width: calc(100% + 32px); }
  .roster-filters { width: 100%; gap: 10px; }
  .roster-filters input { width: 100%; }
  .account-search { flex: 1; min-width: 0; }
  .account-settings-panel { padding: 22px; }
  .account-signout { flex-direction: column; align-items: flex-start; }
}