/* ---------- 教师与学生端页面 ---------- */

body.portal-page {
  min-height: 100%;
  height: auto;
  overflow-x: hidden;
  overflow-y: auto;
}

body.portal-page:not(.auth-page) {
  --canvas: #f8f7f3;
  --paper: #ffffff;
  --paper-warm: #fbfaf7;
  --line: #eae6dd;
  --line-strong: #dcd6cb;
  --green: #2f725e;
  --green-dark: #245947;
  --green-soft: #edf6f1;
  --rust: #aa6248;
  --rust-soft: #fcf3ee;
  --gold: #9a7134;
  --gold-soft: #fbf5e9;
  --shadow: 0 12px 38px rgba(52, 65, 56, 0.055);
  background:
    radial-gradient(900px 520px at 8% -10%, rgba(255, 255, 255, 0.98), transparent 60%),
    radial-gradient(780px 430px at 100% 0%, rgba(235, 245, 239, 0.8), transparent 52%),
    var(--canvas);
}

/* ---------- 登录与注册 ---------- */

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-shell {
  width: min(1080px, 100%);
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: 0 24px 80px rgba(35, 48, 40, 0.12);
}

.auth-story {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 38px;
  padding: 46px;
  background:
    radial-gradient(600px 340px at 105% 100%, rgba(233, 217, 192, 0.9), transparent 60%),
    linear-gradient(145deg, #e9f0ea, #f6f0e5);
}

.auth-story h1 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 600;
  line-height: 1.35;
}

.auth-story > div > p:last-child {
  max-width: 510px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}

.auth-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.auth-flow span {
  padding: 7px 10px;
  border: 1px solid rgba(35, 95, 78, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--green-dark);
  font-size: 9px;
}

.auth-flow i {
  color: var(--muted);
  font-style: normal;
  font-size: 10px;
}

.auth-security {
  padding: 14px;
  border: 1px solid rgba(35, 95, 78, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
}

.auth-security strong {
  color: var(--green);
  font-size: 10px;
}

.auth-security p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.65;
}

.auth-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
}

.auth-card-head h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 28px;
  font-weight: 600;
}

.auth-card-head > p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.65;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-top: 22px;
}

.auth-form input,
.auth-form select {
  min-height: 43px;
  background: #fffefb;
}

.auth-form select {
  width: 100%;
  padding: 0 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  outline: none;
  font-size: 11px;
}

.auth-submit {
  min-height: 44px;
  margin-top: 4px;
  border: 1px solid var(--green);
  border-radius: 9px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
}

.auth-submit:hover {
  background: var(--green-dark);
}

.auth-switch {
  margin: 17px 0 0;
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}

.auth-switch a {
  color: var(--green);
  text-decoration: none;
}

.demo-accounts {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 7px 10px;
  margin-top: 21px;
  padding: 12px;
  border-radius: 10px;
  background: var(--paper-warm);
  color: var(--muted);
  font-size: 9px;
}

.demo-accounts > span {
  grid-column: 1 / -1;
  color: var(--ink-soft);
  font-weight: 700;
}

.demo-accounts div {
  display: contents;
}

.demo-accounts strong {
  color: var(--ink-soft);
  font-size: 9px;
}

.demo-accounts code {
  color: var(--green);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
}

.portal-topbar {
  position: sticky;
  top: 0;
  flex-basis: 62px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom-color: #eeebe4;
}

.portal-nav {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 10px;
}

.portal-nav a {
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
}

.portal-nav a:hover,
.portal-nav a.is-active {
  background: var(--green-soft);
  color: var(--green-dark);
}

.role-chip {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 9px;
  font-weight: 600;
}

.logout-form {
  margin: 0;
}

.logout-form button {
  padding: 4px 7px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 9px;
}

.logout-form button:hover {
  color: var(--rust);
}

.student-chip {
  background: var(--rust-soft);
  color: var(--rust);
}

.portal-main {
  width: min(1280px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 52px;
}

.teacher-portal .portal-main {
  position: relative;
}

.teacher-portal .portal-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 26px 28px 30px;
  border: 1px solid rgba(224, 232, 225, 0.8);
  border-radius: 22px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.97), rgba(240, 247, 242, 0.88) 62%, rgba(251, 244, 235, 0.78)),
    var(--paper);
  box-shadow: 0 16px 48px rgba(48, 74, 61, 0.055);
}

.teacher-portal .portal-hero::after {
  content: "明鉴";
  position: absolute;
  right: 34px;
  bottom: -45px;
  z-index: -1;
  color: rgba(47, 114, 94, 0.045);
  font-family: var(--font-reading);
  font-size: 150px;
  font-weight: 600;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.teacher-portal .portal-hero h1 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.2;
}

.portal-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--line);
}

.portal-hero h1,
.student-welcome h1,
.publish-intro h1 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.portal-hero p:last-child,
.student-welcome p:last-child,
.publish-intro p:last-child {
  max-width: 650px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.hero-action,
.submit-assignment {
  flex: 0 0 auto;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--green);
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  text-decoration: none;
  box-shadow: 0 9px 22px rgba(47, 114, 94, 0.17);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.hero-action:hover,
.submit-assignment:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(47, 114, 94, 0.22);
}

.success-banner,
.error-banner {
  margin: 14px 0 0;
  padding: 10px 13px;
  border-radius: 9px;
  font-size: 11px;
  line-height: 1.55;
}

.success-banner {
  border: 1px solid #cfe0d5;
  background: #edf5ef;
  color: var(--green-dark);
}

.error-banner {
  border: 1px solid #edd0c8;
  background: #fbeeea;
  color: var(--rust);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.classroom-bar,
.empty-classroom {
  margin-top: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.98), rgba(247, 251, 248, 0.92));
}

.classroom-bar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.classroom-bar-head h2,
.empty-classroom h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 17px;
}

.classroom-bar-head > a {
  color: var(--green);
  font-size: 9px;
  text-decoration: none;
}

.classroom-list {
  display: flex;
  gap: 9px;
  margin-top: 12px;
  overflow-x: auto;
}

.classroom-chip {
  flex: 1 0 245px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid rgba(232, 239, 234, 0.9);
  background: #f7fbf8;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.classroom-chip:hover {
  border-color: #cfe1d7;
  transform: translateY(-1px);
}

.classroom-chip > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.classroom-chip strong {
  overflow: hidden;
  font-size: 10px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.classroom-chip span {
  color: var(--muted);
  font-size: 8px;
}

.classroom-chip code {
  flex: 0 0 auto;
  padding: 5px 8px;
  border: 1px dashed var(--green);
  border-radius: 7px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.join-code-block {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 3px 7px;
}

.join-code-block > span {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 7px;
  text-align: right;
}

.join-code-block button {
  padding: 3px 6px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--green);
  font-size: 8px;
}

.join-code-block button:hover,
.join-code-block button.is-copied {
  background: var(--green-soft);
}

.empty-classroom {
  padding: 21px;
}

.empty-classroom > p:last-of-type {
  margin: 7px 0 14px;
  color: var(--muted);
  font-size: 10px;
}

.metric-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 5px 12px;
  padding: 17px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 24px rgba(52, 65, 56, 0.035);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, #77a993, #b8d5c7);
}

.metric-card:nth-child(2)::before {
  background: linear-gradient(90deg, #d5a77b, #ecd4bb);
}

.metric-card:nth-child(3)::before {
  background: linear-gradient(90deg, #c88972, #e9c5b9);
}

.metric-card:nth-child(4)::before {
  background: linear-gradient(90deg, #9e9c72, #d7d5b9);
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: #d9e6de;
  box-shadow: 0 12px 30px rgba(52, 65, 56, 0.065);
}

.metric-card span {
  color: var(--muted);
  font-size: 10px;
}

.metric-card strong {
  grid-row: span 2;
  color: var(--green-dark);
  font-family: var(--font-reading);
  font-size: 30px;
  font-weight: 500;
}

.metric-card small {
  color: var(--ink-soft);
  font-size: 10px;
}

.portal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.portal-section {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.assignments-section {
  grid-row: span 2;
}

.portal-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 15px;
}

.portal-section-head h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 20px;
  font-weight: 600;
}

.portal-section-head > a,
.text-link,
.row-action {
  color: var(--green);
  font-size: 10px;
  text-decoration: none;
}

.section-count {
  color: var(--muted);
  font-size: 10px;
}

.assignment-cards {
  display: grid;
  gap: 11px;
}

.assignment-card {
  position: relative;
  overflow: hidden;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.assignment-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, #7eb09a, #d5e7dd);
}

.assignment-card:hover {
  border-color: #d2e3da;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(52, 65, 56, 0.055);
}

.assignment-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 9px;
}

.assignment-card h3 {
  margin: 11px 0 7px;
  font-family: var(--font-reading);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.assignment-card > p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.65;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.assignment-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 13px 0 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.assignment-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.lesson-link {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border-radius: 7px;
  background: var(--green-soft);
  font-weight: 600;
}

.submission-table {
  display: flex;
  flex-direction: column;
}

.submission-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  border-radius: 9px;
  transition: background 0.16s ease;
}

.submission-row:hover {
  background: #f8fbf9;
}

.submission-row:last-child {
  border-bottom: 0;
}

.student-avatar {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green-dark);
  font-family: var(--font-reading);
  font-size: 12px;
}

.submission-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.submission-info strong,
.submission-info span,
.submission-info small {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.submission-info strong {
  font-size: 10px;
}

.submission-info span {
  color: var(--ink-soft);
  font-size: 9px;
}

.submission-info small {
  color: var(--muted);
  font-size: 8px;
}

.row-action {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  white-space: nowrap;
}

.row-action:hover {
  border-color: var(--green);
}

.empty-state {
  margin: 0;
  padding: 26px 10px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.issue-summary-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.issue-summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 11px;
  border-radius: 10px;
  background: var(--rust-soft);
  color: var(--rust);
  font-size: 10px;
}

.issue-summary::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #ce8b73;
}

.issue-summary strong {
  font-size: 11px;
}

.empty-issue {
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
}

.empty-issue > span {
  color: var(--line-strong);
  font-size: 28px;
}

.empty-issue p {
  margin: 6px 0 0;
  font-size: 10px;
  line-height: 1.6;
}

.integrity-note {
  margin-top: 14px;
  padding: 12px;
  border-radius: 11px;
  background: var(--paper-warm);
}

.integrity-note span {
  color: var(--green);
  font-size: 9px;
  font-weight: 700;
}

.integrity-note p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.65;
}

/* ---------- 发布作业 ---------- */

.publish-main {
  width: min(1030px, calc(100% - 34px));
  margin: 0 auto;
  padding: 27px 0 54px;
}

.back-to-class {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green);
  font-size: 10px;
  text-decoration: none;
}

.publish-intro {
  padding: 10px 0 24px;
}

.publish-intro h1 {
  font-size: clamp(28px, 4vw, 40px);
}

.publish-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-errors {
  padding: 11px 14px;
  border: 1px solid #ebc9bf;
  border-radius: 10px;
  background: var(--rust-soft);
  color: var(--rust);
  font-size: 10px;
}

.form-errors p {
  margin: 3px 0;
}

.form-section {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
}

.form-section-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.form-section-head > span {
  color: var(--green);
  font-family: var(--font-reading);
  font-size: 21px;
}

.form-section-head h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 18px;
}

.form-section-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 9px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-wide {
  grid-column: 1 / -1;
}

.field > span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  outline: none;
  background: #fffefb;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.6;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(35, 95, 78, 0.08);
}

.field-error {
  color: var(--rust);
  font-size: 9px;
}

.rubric-form-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.declaration-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 16px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 10px;
  background: var(--green-soft);
}

.declaration-options label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 9px;
}

.declaration-options input {
  accent-color: var(--green);
}

.rubric-total {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}

.rubric-total strong {
  color: var(--green);
}

.rubric-total strong.is-invalid {
  color: var(--rust);
}

.rubric-form-row {
  display: grid;
  grid-template-columns: 25px minmax(140px, 0.8fr) 75px minmax(220px, 1.4fr);
  align-items: end;
  gap: 10px;
  padding: 11px;
  border-radius: 11px;
  background: var(--paper-warm);
}

.remove-rubric {
  align-self: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
}

.remove-rubric:hover {
  border-color: var(--rust);
  color: var(--rust);
}

.add-rubric {
  margin-top: 10px;
  padding: 8px 11px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: transparent;
  color: var(--green);
  font-size: 9px;
}

.rubric-order {
  align-self: center;
  color: var(--muted);
  font-family: var(--font-reading);
  font-size: 16px;
}

.points-field {
  max-width: 75px;
}

.publish-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  padding-top: 4px;
}

.secondary-link {
  color: var(--muted);
  font-size: 11px;
  text-decoration: none;
}

/* ---------- 学生端 ---------- */

.student-main {
  min-height: calc(100vh - 62px);
}

.student-welcome {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 30px 0 28px;
}

.student-theme .student-welcome::after {
  content: "学";
  position: absolute;
  right: 5%;
  bottom: -42px;
  z-index: -1;
  color: rgba(47, 114, 94, 0.045);
  font-family: var(--font-reading);
  font-size: 150px;
  font-weight: 600;
  pointer-events: none;
}

.student-welcome p:last-child {
  max-width: 720px;
}

.student-assignment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.student-account-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: 20px;
  margin-bottom: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background:
    linear-gradient(120deg, #ffffff, #f5faf7 70%, #fbf7f1);
}

.student-account-strip h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 18px;
}

.joined-classrooms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 9px;
}

.joined-classrooms span {
  padding: 5px 8px;
  border-radius: 7px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 8px;
}

.join-class-form {
  display: flex;
  align-items: end;
  gap: 8px;
}

.join-class-form .field {
  flex: 1;
}

.join-class-form button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 9px;
}

.student-assignment-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.student-assignment-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, #8ab9a4, #e2d5bc);
}

.student-assignment-card:hover {
  border-color: #d5e5dc;
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(52, 65, 56, 0.075);
}

.student-assignment-card h2 {
  margin: 15px 0 9px;
  font-family: var(--font-reading);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.45;
}

.student-assignment-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}

.student-assignment-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 17px 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.student-open {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 9px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 10px;
  text-decoration: none;
  transition: background 0.16s ease, transform 0.16s ease;
}

.student-open:hover {
  background: #dceadf;
  transform: translateX(2px);
}

.status-submitted {
  background: var(--green-soft);
  color: var(--green);
}

.status-reviewing {
  background: var(--gold-soft);
  color: var(--gold);
}

.student-assignment-main {
  width: min(1240px, calc(100% - 34px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.student-assignment-layout {
  display: grid;
  grid-template-columns: minmax(290px, 0.72fr) minmax(0, 1.28fr);
  gap: 14px;
}

.student-brief,
.student-submit-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.student-brief {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(243, 249, 245, 0.88));
}

.student-brief h1 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 25px;
  font-weight: 600;
  line-height: 1.5;
}

.student-instructions {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.8;
}

.submission-policy {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 13px;
}

.submission-policy span {
  padding: 5px 8px;
  border-radius: 7px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 8px;
}

.deadline-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  padding: 12px 13px;
  border-radius: 10px;
  background: var(--rust-soft);
  color: var(--rust);
  font-size: 9px;
}

.deadline-card strong {
  font-size: 10px;
}

.student-rubric {
  margin-top: 22px;
}

.student-rubric h2 {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.student-rubric-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.student-rubric-row:last-child {
  border-bottom: 0;
}

.student-rubric-row strong {
  font-size: 10px;
}

.student-rubric-row p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.5;
}

.student-rubric-row > span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 9px;
}

.student-submit-panel {
  min-width: 0;
}

.latest-submission {
  margin-bottom: 18px;
  padding: 13px;
  border-radius: 11px;
  background: var(--green-soft);
}

.latest-submission > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.submission-time {
  margin-left: auto;
  color: var(--muted);
  font-size: 8px;
}

.latest-submission strong {
  font-size: 10px;
}

.latest-submission p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.65;
}

.student-final-feedback {
  margin-top: 11px;
  padding: 11px;
  border-radius: 9px;
  background: #fffefb;
}

.feedback-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.feedback-heading-row span {
  color: var(--green);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.feedback-heading-row small {
  color: var(--muted);
  font-size: 8px;
}

.student-final-feedback h3 {
  margin: 6px 0 0;
  font-family: var(--font-reading);
  font-size: 14px;
}

.student-final-feedback pre {
  margin-top: 6px;
  margin-bottom: 0;
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-family: var(--font-reading);
  font-size: 11px;
  line-height: 1.75;
  white-space: pre-line;
}

.submitted-work-preview {
  margin-bottom: 18px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-warm);
}

.submitted-work-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.submitted-work-head h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 17px;
}

.submitted-work-head > span {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 9px;
}

.submitted-work-preview > pre {
  max-height: 360px;
  margin: 12px 0 0;
  overflow-y: auto;
  color: var(--ink-soft);
  font-family: var(--font-reading);
  font-size: 12px;
  line-height: 1.8;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  scrollbar-width: thin;
}

.attachment-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}

.attachment-item {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink-soft);
  text-decoration: none;
}

.attachment-item > span {
  color: var(--green);
  font-size: 8px;
}

.attachment-item > strong {
  overflow: hidden;
  font-size: 9px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.attachment-item > small {
  color: var(--muted);
  font-size: 8px;
}

.integrity-declaration {
  margin-top: 11px;
  padding: 10px;
  border-radius: 9px;
  background: var(--gold-soft);
}

.integrity-declaration p {
  margin: 3px 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.55;
}

.file-upload {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  background: var(--paper-warm);
}

.file-upload > span {
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
}

.file-upload small {
  color: var(--muted);
  font-size: 8px;
}

.integrity-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 15px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #f8fbf9;
}

.integrity-form-head,
.integrity-confirm {
  grid-column: 1 / -1;
}

.integrity-form-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.integrity-form-head h3 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 14px;
}

.integrity-form-head > span {
  color: var(--muted);
  font-size: 8px;
}

.integrity-confirm {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.55;
}

.integrity-confirm input {
  margin-top: 2px;
  accent-color: var(--green);
}

.student-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.student-form-head h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 22px;
}

.student-form-head > span {
  color: var(--muted);
  font-size: 9px;
}

.student-submission-editor {
  width: 100%;
  min-height: 440px;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  outline: none;
  resize: vertical;
  background: #fffefb;
  color: var(--ink);
  font-family: var(--font-reading);
  font-size: 14px;
  line-height: 1.85;
}

.student-submission-editor:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(35, 95, 78, 0.07);
}

.student-form-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 13px;
}

.submission-ajax-status {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 10px;
  line-height: 1.6;
}

.submission-ajax-status.is-success {
  border: 1px solid #cfe0d5;
  background: var(--green-soft);
  color: var(--green-dark);
}

.submission-ajax-status.is-error {
  border: 1px solid #edd0c8;
  background: var(--rust-soft);
  color: var(--rust);
}

.student-form-foot p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.6;
}

.student-form-foot button {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid var(--green);
  border-radius: 9px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
}

/* ---------- 课堂讲解建议 ---------- */

.lesson-main {
  width: min(1460px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 30px;
}

.lesson-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 4px 18px;
}

.lesson-heading h1 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 600;
}

.lesson-heading > div:first-child > p:last-child {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.lesson-stats {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 2px 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
}

.lesson-stats strong {
  color: var(--green-dark);
  font-family: var(--font-reading);
  font-size: 18px;
  font-weight: 500;
}

.lesson-stats span {
  color: var(--muted);
  font-size: 9px;
}

.lesson-workspace {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr) 250px;
  gap: 12px;
  height: calc(100dvh - 174px);
  min-height: 580px;
}

.lesson-evidence-panel,
.lesson-editor-panel,
.lesson-guide-panel {
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.lesson-evidence-panel {
  display: flex;
  flex-direction: column;
  padding: 18px 15px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.lesson-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.lesson-panel-head h2,
.lesson-guide-panel h2 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: 17px;
  font-weight: 600;
}

.rule-badge {
  flex: 0 0 auto;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 8px;
}

.criterion-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 12px;
}

.criterion-group {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  border-radius: 7px;
  background: var(--rust-soft);
  color: var(--rust);
  font-size: 8px;
}

.criterion-group strong {
  font-size: 8px;
}

.evidence-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 13px;
}

.evidence-card {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fffefb;
}

.evidence-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 8px;
}

.evidence-card blockquote {
  margin: 8px 0 0;
  padding: 7px 8px;
  border-left: 2px solid var(--rust);
  border-radius: 0 6px 6px 0;
  background: var(--paper-warm);
  color: var(--ink-soft);
  font-family: var(--font-reading);
  font-size: 9px;
  line-height: 1.6;
}

.evidence-card > p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.55;
}

.evidence-card > a {
  display: inline-block;
  margin-top: 7px;
  color: var(--green);
  font-size: 8px;
  text-decoration: none;
}

.lesson-empty {
  margin-top: 14px;
  padding: 18px 6px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  line-height: 1.6;
}

.lesson-integrity {
  margin-top: auto;
}

.lesson-editor-panel {
  display: flex;
  flex-direction: column;
}

.lesson-editor-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-warm);
}

.lesson-save-state {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
  font-size: 9px;
}

.lesson-save-state.is-warning {
  color: var(--gold);
}

.lesson-save-state.is-error {
  color: var(--danger);
}

.lesson-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.secondary-tool {
  min-height: 29px;
  padding: 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 9px;
}

.secondary-tool:hover {
  border-color: var(--green);
  color: var(--green);
}

.export-tool {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.secondary-tool:disabled {
  opacity: 0.55;
  cursor: wait;
}

.draft-version {
  display: grid;
  place-items: center;
  min-width: 25px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 8px;
}

.lesson-editor-head {
  flex: 0 0 auto;
  padding: 20px 28px 6px;
}

.lesson-title-input {
  width: 100%;
  padding: 0;
  border: 0;
  outline: none;
  overflow: hidden;
  resize: none;
  background: transparent;
  font-family: var(--font-reading);
  font-size: 21px;
  font-weight: 600;
  line-height: 1.45;
}

.lesson-editor {
  flex: 1;
  min-width: 0;
  min-height: 0;
  width: 100%;
  padding: 7px 28px 22px;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-reading);
  font-size: 13px;
  line-height: 1.85;
  scrollbar-width: thin;
}

.lesson-editor-foot {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 18px;
  border-top: 1px solid var(--line);
  background: var(--paper-warm);
  color: var(--muted);
  font-size: 8px;
}

.lesson-editor-foot strong {
  color: var(--ink-soft);
}

.lesson-guide-panel {
  padding: 18px 16px;
  overflow-y: auto;
}

.lesson-steps {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lesson-steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
}

.lesson-steps li > span {
  color: var(--green);
  font-family: var(--font-reading);
  font-size: 13px;
}

.lesson-steps strong {
  font-size: 10px;
}

.lesson-steps p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.6;
}

.rule-note {
  margin-top: 22px;
  padding: 11px;
  border-radius: 10px;
  background: var(--green-soft);
}

.rule-note span {
  color: var(--green);
  font-size: 8px;
  font-weight: 700;
}

.rule-note p {
  margin: 5px 0 0;
  color: var(--green-dark);
  font-size: 9px;
  line-height: 1.6;
}

@media (max-width: 960px) {
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .assignments-section {
    grid-row: auto;
  }

  .student-assignment-grid {
    grid-template-columns: 1fr;
  }

  .student-assignment-layout {
    grid-template-columns: 1fr;
  }

  .lesson-workspace {
    height: auto;
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .lesson-guide-panel {
    grid-column: 1 / -1;
  }
}

/* ---------- 友好错误页 ---------- */

.error-shell {
  width: min(760px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 34px 0 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.error-brand {
  width: fit-content;
  color: var(--ink);
  text-decoration: none;
}

.error-card {
  position: relative;
  overflow: hidden;
  margin-top: 24px;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(420px 260px at 100% 0, rgba(237, 246, 241, 0.95), transparent 72%),
    var(--paper);
  box-shadow: var(--shadow);
}

.error-card h1 {
  margin: 0;
  font-family: var(--font-reading);
  font-size: clamp(30px, 6vw, 48px);
  font-weight: 600;
}

.error-card > p:not(.eyebrow) {
  max-width: 520px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.error-code {
  position: absolute;
  right: 32px;
  top: 12px;
  color: rgba(47, 114, 94, 0.08);
  font-family: var(--font-reading);
  font-size: 112px;
  font-weight: 600;
  line-height: 1;
}

.error-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
}

.error-actions button {
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 11px;
}

@media (max-width: 700px) {
  .error-card {
    padding: 30px 22px;
  }

  .error-code {
    right: 18px;
    font-size: 78px;
  }

  .error-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 700px) {
  .auth-page {
    place-items: start center;
    padding: 10px;
  }

  .auth-shell {
    min-height: 0;
    grid-template-columns: 1fr;
    border-radius: 17px;
  }

  .auth-story {
    min-height: 290px;
    padding: 24px;
  }

  .auth-story h1 {
    font-size: 31px;
  }

  .auth-card {
    padding: 27px 22px 32px;
  }

  .student-account-strip {
    grid-template-columns: 1fr;
  }

  .join-class-form {
    align-items: stretch;
    flex-direction: column;
  }

  .portal-main,
  .publish-main,
  .student-assignment-main {
    width: min(100% - 20px, 1280px);
    padding-top: 15px;
  }

  .portal-topbar {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding-top: 9px;
    padding-bottom: 9px;
  }

  .portal-nav {
    order: 3;
    flex: 1 0 100%;
    padding-left: 0;
    overflow-x: auto;
  }

  .brand-copy small,
  .portal-nav a:nth-child(3) {
    display: none;
  }

  .portal-hero {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0 20px;
  }

  .portal-hero h1,
  .student-welcome h1,
  .publish-intro h1 {
    font-size: 28px;
    line-height: 1.35;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .submission-row {
    grid-template-columns: 34px minmax(0, 1fr) auto;
  }

  .submission-row .status-badge {
    display: none;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .rubric-form-row {
    grid-template-columns: 22px minmax(0, 1fr) 68px;
  }

  .rubric-form-row .field:last-child {
    grid-column: 2 / -1;
  }

  .publish-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .submit-assignment {
    width: 100%;
  }

  .student-form-foot {
    align-items: stretch;
    flex-direction: column;
  }

  .student-submission-editor {
    min-height: 340px;
  }

  .lesson-main {
    width: min(100% - 20px, 1460px);
  }

  .lesson-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .lesson-stats {
    width: 100%;
  }

  .lesson-workspace {
    display: flex;
    flex-direction: column;
  }

  .lesson-evidence-panel,
  .lesson-editor-panel,
  .lesson-guide-panel {
    flex: 0 0 auto;
    min-height: 0;
    max-height: none;
  }

  .lesson-editor-panel {
    min-height: 72vh;
  }

  .lesson-editor-head {
    padding: 17px 18px 5px;
  }

  .lesson-editor {
    min-height: 440px;
    padding: 6px 18px 18px;
    font-size: 12px;
  }

  .lesson-editor-toolbar {
    flex-wrap: wrap;
  }

  .lesson-actions {
    flex-wrap: wrap;
  }
}

/* ---------- 最终评分、诚信结果与申诉 ---------- */

.student-score-list {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #d9e7df;
  border-radius: 11px;
  background: #f6fbf8;
}

.student-score-head,
.student-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.student-score-head {
  padding-bottom: 8px;
  border-bottom: 1px solid #dce9e1;
}

.student-score-head strong {
  color: var(--green-dark);
  font-size: 11px;
}

.student-score-head span {
  color: var(--green);
  font-size: 16px;
  font-weight: 700;
}

.student-score-row {
  padding: 7px 0;
  border-bottom: 1px solid #e6f0ea;
  color: var(--ink-soft);
  font-size: 10px;
}

.student-score-row:last-child {
  border-bottom: 0;
}

.student-score-row strong {
  color: var(--green-dark);
  font-variant-numeric: tabular-nums;
}

.student-integrity-result {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #edd5cb;
  border-radius: 11px;
  background: #fff8f5;
}

.student-integrity-result > strong {
  color: var(--rust);
  font-size: 11px;
}

.student-integrity-result article {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid #f0ded6;
}

.student-integrity-result article > span {
  color: var(--rust);
  font-size: 9px;
  font-weight: 700;
}

.student-integrity-result p {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.6;
}

.student-appeals {
  margin: 16px 0;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-warm);
}

.appeal-history {
  display: grid;
  gap: 8px;
  margin-top: 11px;
}

.appeal-card {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
}

.appeal-card > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.appeal-card strong {
  color: var(--green-dark);
  font-size: 10px;
}

.appeal-card span {
  color: var(--muted);
  font-size: 9px;
}

.appeal-card > p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.appeal-response {
  margin-top: 8px;
  padding: 8px 9px;
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 9px;
  line-height: 1.6;
}

.appeal-form {
  display: grid;
  gap: 9px;
  margin-top: 11px;
}

.appeal-form textarea,
.appeal-response-form textarea {
  width: 100%;
  padding: 8px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 10px;
  resize: vertical;
}

.appeal-form > button,
.appeal-response-form > button {
  justify-self: start;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 10px;
}

.appeal-locked {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.6;
}

.appeal-section {
  margin-top: 14px;
}

.appeal-queue {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.teacher-appeal-card {
  padding: 13px;
  border: 1px solid #ebdfd2;
  border-radius: 12px;
  background: #fffcf8;
}

.teacher-appeal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.teacher-appeal-head > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.teacher-appeal-head strong {
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.5;
}

.teacher-appeal-head span,
.teacher-appeal-head > a {
  color: var(--green);
  font-size: 9px;
  text-decoration: none;
  white-space: nowrap;
}

.teacher-appeal-card > p {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.teacher-appeal-card .requested-resolution {
  color: var(--muted);
}

.existing-appeal-response {
  margin-top: 8px;
  padding: 8px;
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 9px;
  line-height: 1.6;
}

.appeal-response-form {
  display: grid;
  grid-template-columns: minmax(130px, 0.45fr) minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
  margin-top: 10px;
}

.appeal-response-form select {
  width: 100%;
  min-height: 35px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
  font-size: 10px;
}

@media (max-width: 960px) {
  .appeal-queue {
    grid-template-columns: 1fr;
  }

  .appeal-response-form {
    grid-template-columns: 1fr;
  }

  .appeal-response-form > button {
    justify-self: stretch;
  }
}