:root {
  color-scheme: light;
  --ink: #13221f;
  --muted: #62716e;
  --line: #dce9e4;
  --soft: #f3faf7;
  --paper: #ffffff;
  --accent: #3f7c68;
  --accent-strong: #2f6f5e;
  --accent-deep: #214f43;
  --accent-pale: #eef6f2;
  --gold: #b7791f;
  --rose: #b4233f;
  --blue: #2d5f8b;
  --shadow: 0 18px 50px rgba(19, 34, 31, 0.09);
  --shadow-soft: 0 10px 26px rgba(19, 34, 31, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(25, 168, 117, 0.12), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(90, 198, 163, 0.14), transparent 28%),
    linear-gradient(180deg, #f8fcfa 0%, #eef7f3 42%, #f7fbf9 100%);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

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

.entry-card,
.panel,
.results-section,
.summary-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.entry-card {
  display: grid;
  gap: 22px;
  width: min(460px, 100%);
  padding: 28px;
  background: #ffffff;
}

.brand-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.brand-row.compact h1 {
  font-size: 18px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  overflow: hidden;
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 10px 22px rgba(8, 99, 79, 0.22);
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-row h1,
.brand-row p,
.page-title h2,
.page-title p,
.section-title h3,
.section-title p {
  margin: 0;
}

.brand-row p,
.hint,
.subtle,
.section-title span,
.empty-state span,
.file-box small,
.result-card-header p,
.summary-card span {
  color: var(--muted);
  font-size: 13px;
}

.entry-form,
.form-grid,
.admin-grid {
  display: grid;
  gap: 12px;
}

.login-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7faf8;
}

.login-switch-btn {
  min-height: 38px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.login-switch-btn.active {
  background: #ffffff;
  color: var(--ink);
  box-shadow: 0 4px 12px rgba(16, 24, 40, 0.08);
}

.login-choice {
  display: none;
  margin-top: 16px;
}

.login-choice.active {
  display: block;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

input,
select {
  height: 42px;
  padding: 0 12px;
}

textarea {
  min-height: 120px;
  padding: 12px;
  line-height: 1.7;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(36, 116, 90, 0.12);
}

.primary-btn,
.dark-btn,
.ghost-btn {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
}

.primary-btn {
  color: #fff;
  background: var(--accent-strong);
  box-shadow: 0 10px 20px rgba(47, 111, 94, 0.16);
}

.primary-btn:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.dark-btn {
  color: #fff;
  background: var(--accent-strong);
  box-shadow: 0 10px 20px rgba(8, 99, 79, 0.2);
}

.dark-btn:hover,
.nav-btn.active:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.ghost-btn {
  color: var(--accent-strong);
  background: #fff;
  border-color: #b9d2c6;
}

.ghost-btn:hover {
  background: #f2faf6;
  border-color: #8ebfaa;
}

.text-btn {
  padding: 0;
  color: var(--accent-strong);
  background: transparent;
  border: 0;
  font-weight: 700;
}

.app-layout {
  min-height: 100vh;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 32px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(19, 34, 31, 0.04);
}

.main-nav,
.result-tools,
.button-row,
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nav-btn {
  min-height: 38px;
  padding: 0 16px;
  color: #263b37;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.nav-btn:hover {
  color: var(--accent-strong);
  background: #f2faf6;
}

.nav-btn.active {
  color: #fff;
  background: var(--accent-strong);
  border-color: transparent;
  box-shadow: 0 10px 20px rgba(8, 99, 79, 0.2);
}

.nav-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-height: 38px;
  padding: 7px 12px;
  color: var(--accent-strong);
  background: #f2faf6;
  border: 1px solid #d6e4de;
  border-radius: 8px;
  white-space: nowrap;
}

.nav-stat span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.nav-stat strong {
  font-size: 15px;
}

.page-shell {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 24px 28px 32px;
}

.page-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.workspace-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 610px);
  align-items: center;
  min-height: 240px;
  padding: 34px 36px;
  margin-bottom: 18px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.08) 48%, rgba(255, 255, 255, 0) 100%),
    url("./assets/hero-teacher-desk.png") center right / cover no-repeat;
  border: 1px solid #d8eee5;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.workspace-hero::before,
.workspace-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.workspace-hero::before {
  inset: 0 48% 0 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0));
}

.workspace-hero::after {
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(226, 246, 237, 0.04));
}

.workspace-hero > * {
  position: relative;
  z-index: 1;
}

.workspace-hero h2 {
  max-width: 590px;
  margin: 12px 0 0;
  font-size: clamp(28px, 2.25vw, 36px);
  line-height: 1.28;
}

.hero-desc {
  max-width: 560px;
  margin: 12px 0 0;
  color: #435653;
  font-size: 16px;
  line-height: 1.7;
}

.eyebrow {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.page-title h2 {
  max-width: 780px;
  font-size: 28px;
  line-height: 1.25;
}

.summary-card {
  display: grid;
  gap: 4px;
  min-width: 120px;
  padding: 14px 18px;
}

.summary-card strong {
  font-size: 22px;
}

.privacy-strip {
  display: flex;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 18px;
  background: #fff7e8;
  border: 1px solid #f0d6a8;
  border-radius: 8px;
  color: #66440d;
  line-height: 1.6;
}

.step-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 10px;
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(19, 34, 31, 0.05);
}

.step-btn {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px 12px;
  align-items: center;
  min-height: 70px;
  padding: 10px 14px;
  color: #344744;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-align: left;
  touch-action: manipulation;
  user-select: none;
}

.step-btn:hover {
  background: #f5fbf8;
}

.step-btn span {
  display: grid;
  grid-row: span 2;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--accent-strong);
  background: #edf4f1;
  border-radius: 999px;
  font-size: 18px;
}

.step-btn strong,
.step-btn small {
  min-width: 0;
}

.step-btn small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.step-btn.active {
  color: #fff;
  background: var(--accent-strong);
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(8, 99, 79, 0.18);
}

.step-btn.active:hover {
  background: var(--accent-deep);
}

.step-btn.active span {
  color: var(--accent-strong);
  background: #fff;
}

.step-btn.active small {
  color: rgba(255, 255, 255, 0.86);
}

.work-step {
  display: grid;
  gap: 18px;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.95fr) minmax(300px, 1.05fr);
  gap: 18px;
}

.panel,
.results-section {
  padding: 20px;
  background: rgba(255, 255, 255, 0.94);
  border-color: #e1ece7;
}

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

.section-title h3 {
  font-size: 20px;
}

.import-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 4px;
  margin-bottom: 12px;
  background: #f3faf7;
  border: 1px solid #e3eee9;
  border-radius: 8px;
}

.tab-btn {
  min-height: 36px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  font-weight: 700;
}

.tab-btn.active {
  color: var(--accent-strong);
  background: #fff;
  box-shadow: 0 6px 16px rgba(23, 32, 28, 0.08);
}

.tab-btn:hover {
  color: var(--accent-strong);
}

.tab-view {
  display: none;
}

.tab-view.active {
  display: grid;
  gap: 10px;
}

.full-btn {
  width: 100%;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.file-box {
  display: grid;
  gap: 8px;
  place-items: center;
  min-height: 136px;
  padding: 18px;
  border: 1px dashed #a9b9b1;
  border-radius: 8px;
  background: #f6fbf8;
  text-align: center;
}

.file-box input {
  display: none;
}

.file-box span {
  font-weight: 800;
}

.format-guide {
  display: grid;
  gap: 8px;
  padding: 12px;
  color: #40514d;
  background: #f7fbf9;
  border: 1px solid #dce9e4;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.format-guide strong {
  color: var(--accent-strong);
}

.format-guide p {
  margin: 0;
}

.format-guide pre {
  margin: 0;
  padding: 10px 12px;
  color: #1e322e;
  background: #ffffff;
  border: 1px solid #e1ece7;
  border-radius: 8px;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
  white-space: pre-wrap;
}

.format-image {
  display: block;
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid #e1ece7;
  border-radius: 8px;
}

.fatal-error {
  margin: 0;
  padding: 12px;
  color: #7a1f34;
  background: #fff3f5;
  border: 1px solid #f1c0c9;
  border-radius: 8px;
  white-space: pre-wrap;
}

.name-preview {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}

.name-preview div {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: #f8fcfa;
  border: 1px solid #edf4f1;
  border-radius: 8px;
}

.name-preview.editable .imported-student-row {
  grid-template-columns: 42px minmax(0, 1fr) 36px;
}

.name-preview input {
  height: 36px;
}

.name-preview strong {
  color: var(--accent-strong);
}

.footer-actions {
  justify-content: flex-end;
  margin-top: 16px;
}

.tag-workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr);
  gap: 16px;
  align-items: start;
}

.mini-section-title {
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.student-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
}

.student-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(19, 34, 31, 0.04);
}

.student-card.compact {
  cursor: pointer;
}

.student-card.compact:hover {
  border-color: #b8d8ca;
  box-shadow: 0 10px 22px rgba(19, 34, 31, 0.06);
}

.student-card.compact.active {
  border-color: var(--accent);
  background: #f5faf7;
  box-shadow: 0 0 0 3px rgba(47, 111, 94, 0.12), 0 12px 24px rgba(19, 34, 31, 0.06);
}

.student-main {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 36px;
  gap: 10px;
  align-items: center;
}

[data-drag-handle] {
  cursor: grab;
  user-select: none;
}

[data-drag-handle]:active {
  cursor: grabbing;
}

.dragging {
  opacity: 0.45;
}

.drag-over {
  border-color: var(--accent-strong) !important;
  box-shadow: 0 0 0 3px rgba(47, 111, 94, 0.12) !important;
}

.student-index {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: var(--accent-strong);
  background: #e5f6ef;
  border-radius: 8px;
  font-weight: 800;
}

.student-main input {
  height: 38px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  color: var(--rose);
  background: #fff;
  border: 1px solid #f1c0c9;
  border-radius: 8px;
  font-weight: 900;
}

.icon-btn:hover {
  background: #fff5f6;
}

.selected-tags,
.student-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.selected-tags span,
.selected-tags em {
  padding: 4px 8px;
  color: var(--accent-strong);
  background: #eef5f1;
  border-radius: 999px;
  font-size: 12px;
  font-style: normal;
}

.quick-tag-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 10px;
  background: #f4faf7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.tag-editor {
  position: sticky;
  top: 92px;
}

.tag-category {
  display: grid;
  gap: 8px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(19, 34, 31, 0.04);
}

.tag-category-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.tag-category-title h4 {
  margin: 0;
  color: var(--accent-strong);
  font-size: 13px;
}

.tag-category-title span {
  color: var(--muted);
  font-size: 12px;
}

.student-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  min-height: 34px;
  padding: 0 12px;
  color: var(--accent-strong);
  background: #f1f6f3;
  border: 1px solid #d6e4de;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.tag:hover {
  border-color: #abc9bd;
  background: #e9f2ee;
}

.tag.active {
  color: #fff;
  background: var(--accent-strong);
  border-color: transparent;
  box-shadow: 0 8px 16px rgba(47, 111, 94, 0.16);
}

.tag.active:hover {
  background: var(--accent-deep);
}

.quick-tag-input {
  gap: 6px;
}

.quick-tag-input input {
  height: 38px;
}

.quick-tag-input span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
}

.quick-tag-input.custom-note {
  grid-column: 1 / -1;
}

.tag-library-editor {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.tag-library-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tag-library-heading .mini-section-title {
  margin-bottom: 0;
}

.tag-library-list {
  display: grid;
  gap: 12px;
}

.tag-library-category {
  display: grid;
  gap: 9px;
  padding: 10px;
  background: #f7fbf9;
  border: 1px solid #e1ece7;
  border-radius: 8px;
}

.tag-library-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.tag-library-title strong {
  color: var(--accent-strong);
  font-size: 13px;
}

.tag-library-title span {
  color: var(--muted);
  font-size: 12px;
}

.tag-library-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-edit-chip {
  display: grid;
  grid-template-columns: minmax(92px, 1fr) 28px;
  gap: 4px;
  align-items: center;
  min-width: 150px;
  padding: 0;
}

.tag-edit-chip input {
  height: 32px;
  padding: 0 9px;
  color: var(--accent-strong);
  background: #ffffff;
  border-color: #d6e4de;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.tag-remove-btn {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--rose);
  background: #ffffff;
  border: 1px solid #f1c0c9;
  border-radius: 999px;
  font-weight: 900;
}

.tag-remove-btn:hover {
  background: #fff5f6;
}

.tag-add-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.tag-add-row input {
  height: 38px;
}

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

.wide-label {
  margin-top: 14px;
}

.cost-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  margin-top: 16px;
  background: #f4faf7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.generation-status {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6fbf8;
  line-height: 1.6;
}

.generation-status strong {
  color: var(--accent-strong);
}

.generation-status span {
  color: var(--muted);
  font-size: 13px;
}

.generation-status.loading {
  border-color: #b9d2c6;
  background: #eef9f4;
}

.generation-status.error {
  border-color: #f1c0c9;
  background: #fff3f5;
}

.generation-status.error strong {
  color: var(--rose);
}

.generation-status.success {
  border-color: #d6e4de;
  background: #ecfbf4;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

.empty-state {
  display: grid;
  gap: 6px;
  place-items: center;
  min-height: 180px;
  color: var(--muted);
  background: var(--soft);
  border: 1px dashed #b9c7bf;
  border-radius: 8px;
  text-align: center;
}

.empty-state strong {
  color: var(--ink);
}

.result-tools {
  justify-content: flex-end;
}

.selection-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  margin-bottom: 14px;
  background: #f7fbf9;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.selection-toolbar label,
.result-select {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--ink);
  font-size: 14px;
}

.selection-toolbar input,
.result-select input {
  width: 16px;
  height: 16px;
  margin-top: 3px;
}

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

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

.history-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(19, 34, 31, 0.04);
}

.history-card-main {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.history-card-main strong {
  font-size: 16px;
}

.history-card-main p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.history-card-main > span {
  flex: 0 0 auto;
  padding: 5px 9px;
  color: var(--accent-strong);
  background: #f2faf6;
  border: 1px solid #d6e4de;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.history-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.history-preview span,
.history-preview em {
  padding: 4px 8px;
  color: #40514d;
  background: #f7fbf9;
  border-radius: 999px;
  font-size: 12px;
  font-style: normal;
}

.result-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(19, 34, 31, 0.04);
}

.result-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.result-card-header strong {
  font-size: 17px;
}

.result-card-header p {
  max-width: 320px;
  margin: 4px 0 0;
  line-height: 1.5;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.student-order-panel {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding: 12px;
  background: #f7fbf9;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.student-order-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 8px;
}

.student-order-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 8px;
  background: #ffffff;
  border: 1px solid #e1ece7;
  border-radius: 8px;
}

.student-order-row strong {
  color: var(--accent-strong);
}

.student-order-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.generation-select-toolbar {
  padding-bottom: 2px;
  border-bottom: 1px solid #e1ece7;
}

.generation-student-row {
  display: block;
}

.generation-student-row label {
  display: grid;
  grid-template-columns: 18px 34px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  cursor: pointer;
}

.generation-student-row input {
  width: 16px;
  height: 16px;
}

.small-btn {
  min-height: 32px;
  padding: 0 10px;
  color: var(--blue);
  background: #f2f6fb;
  border: 1px solid #cddcf0;
  border-radius: 8px;
  font-weight: 700;
}

.small-btn:hover {
  background: #e9f1fb;
  border-color: #aac2e1;
}

.primary-small-btn {
  color: #fff;
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.primary-small-btn:hover {
  color: #fff;
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.result-card textarea {
  min-height: 150px;
}

.rewrite-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.rewrite-box[hidden] {
  display: none;
}

.rewrite-box input {
  height: 38px;
  background: #f8fcfa;
}

.credit-card {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 14px;
  background: #eef7f2;
  border: 1px solid #d6e4de;
  border-radius: 8px;
}

.credit-card.large {
  margin-bottom: 14px;
}

.credit-card span {
  color: var(--accent-strong);
  font-size: 13px;
}

.credit-card strong {
  font-size: 34px;
  line-height: 1;
}

.account-meta {
  display: grid;
  gap: 8px;
}

.account-meta p {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 10px;
  background: var(--soft);
  border-radius: 8px;
}

.account-security {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.account-security summary {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #ffffff;
  background: var(--accent-strong);
  font-weight: 700;
  cursor: pointer;
}

.account-security summary::marker {
  content: "";
}

.account-credentials-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  max-width: 420px;
}

.account-security-actions {
  display: grid;
  gap: 10px;
}

.account-security-actions span {
  color: var(--muted);
  font-size: 13px;
}

.ledger-list,
.code-list {
  display: grid;
  gap: 8px;
  max-height: 360px;
  overflow: auto;
}

.ledger-item,
.code-item {
  display: grid;
  gap: 3px;
  padding: 10px;
  background: var(--soft);
  border-radius: 8px;
  font-size: 13px;
}

.ledger-item strong,
.code-item strong {
  color: var(--accent-strong);
}

.admin-grid {
  grid-template-columns: minmax(0, 1fr) 120px auto;
}

.code-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-height: none;
  margin-top: 14px;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: min(420px, calc(100vw - 44px));
  padding: 12px 14px;
  color: #fff;
  background: rgba(15, 81, 62, 0.96);
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .app-header,
  .page-title,
  .privacy-strip,
  .cost-bar,
  .result-card-header {
    align-items: stretch;
    flex-direction: column;
  }

  .main-nav {
    justify-content: stretch;
  }

  .main-nav button {
    flex: 1 1 130px;
  }

  .workspace-hero {
    grid-template-columns: 1fr;
    min-height: 260px;
    padding: 26px;
    background-position: center right 34%;
  }

  .workspace-hero::before {
    inset: 0 20% 0 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.12));
  }

  .tag-editor {
    position: static;
  }

  .layout-grid,
  .tag-workspace,
  .step-nav,
  .result-list,
  .history-list,
  .form-grid,
  .quick-tag-grid,
  .admin-grid,
  .code-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .entry-page,
  .page-shell,
  .app-header {
    padding: 16px;
  }

  .workspace-hero {
    min-height: 230px;
    padding: 22px 18px;
    background-position: center right 28%;
  }

  .workspace-hero h2 {
    font-size: 25px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .workspace-hero::before {
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.2));
  }

  .step-btn {
    grid-template-columns: 38px minmax(0, 1fr);
    min-height: 64px;
  }

  .step-btn span {
    width: 38px;
    height: 38px;
  }

  .page-title h2 {
    font-size: 22px;
  }

  .inline-form,
  .student-main {
    grid-template-columns: 1fr;
  }

  .student-index,
  .icon-btn,
  .result-tools button,
  .result-tools select,
  .button-row button,
  .footer-actions button {
    flex: 1 1 150px;
  }
}