:root {
  --bg: #f2efe7;
  --panel: rgba(255, 249, 240, 0.88);
  --panel-strong: rgba(255, 252, 247, 0.96);
  --text: #1f2b2f;
  --muted: #6b7773;
  --line: rgba(31, 43, 47, 0.12);
  --shadow: 0 28px 70px rgba(33, 49, 61, 0.14);
  --primary: #16736a;
  --primary-strong: #0f5a52;
  --accent: #e68b3f;
  --danger: #c85244;
  --success: #2c8d54;
  --soft-success: rgba(44, 141, 84, 0.12);
  --soft-danger: rgba(200, 82, 68, 0.12);
  --soft-accent: rgba(230, 139, 63, 0.12);
  --soft-fill: rgba(31, 43, 47, 0.05);
  --soft-fill-strong: rgba(31, 43, 47, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(22, 115, 106, 0.16), transparent 22%),
    radial-gradient(circle at 86% 16%, rgba(230, 139, 63, 0.2), transparent 20%),
    linear-gradient(180deg, #f8f4eb 0%, #efe7db 100%);
}

.glow {
  position: fixed;
  z-index: 0;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.55;
}

.glow-a {
  inset: 60px auto auto 40px;
  width: 220px;
  height: 220px;
  background: rgba(22, 115, 106, 0.22);
}

.glow-b {
  inset: auto 40px 80px auto;
  width: 260px;
  height: 260px;
  background: rgba(230, 139, 63, 0.18);
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100vw - 32px));
  margin: 20px auto 40px;
  display: grid;
  gap: 20px;
  transition: filter 0.22s ease, transform 0.22s ease, opacity 0.22s ease;
}

.shell.busy {
  filter: blur(10px) saturate(0.88);
  opacity: 0.72;
  pointer-events: none;
  user-select: none;
}

.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  width: min(520px, calc(100vw - 32px));
  margin: 0 auto;
  display: grid;
  align-items: center;
  padding: 32px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero,
.search-card,
.results-card,
.info-card,
.visual-card,
.history-card,
.grid-top > .card {
  padding: 24px;
}

.hero {
  padding: 30px 32px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(244, 235, 221, 0.92)),
    var(--panel-strong);
}

.login-card {
  padding: 34px 32px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.97), rgba(244, 235, 221, 0.92)),
    var(--panel-strong);
}

.hero-head,
.section-head,
.mini-grid-head,
.history-meta,
.scenario-chip,
.adjustment-item,
.export-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.hero-head {
  align-items: flex-start;
}

.hero-status,
.hero-actions,
.visual-tools,
.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-status-stack {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.rename-panel {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(22, 115, 106, 0.16);
  background: rgba(255, 255, 255, 0.68);
  display: grid;
  gap: 14px;
}

.rename-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  margin-bottom: 12px;
}

h2 {
  font-size: 1.18rem;
}

.visual-head {
  justify-content: flex-start;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.visual-title {
  font-size: 1.5rem;
  line-height: 1.2;
}

.visual-head .visual-tools {
  gap: 10px;
}

.visual-head .visual-tools select {
  width: auto;
  min-width: 220px;
  max-width: min(360px, 34vw);
}

h3,
.mini-title {
  font-size: 0.98rem;
  font-weight: 800;
}

.hero-copy,
.muted-text,
.empty-state,
.source-meta,
.slot-summary,
.history-list {
  line-height: 1.7;
}

.hero-copy {
  max-width: 820px;
  margin: 0 0 18px;
  color: var(--muted);
}

.login-copy {
  margin: 0 0 18px;
  color: var(--muted);
}

.grid-top,
.workspace,
.visual-grid,
.history-grid {
  display: grid;
  gap: 20px;
  min-width: 0;
}

.grid-top {
  grid-template-columns: 1.05fr 0.95fr;
}

.footer-panels {
  margin-top: 4px;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: start;
}

.workspace {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.8fr);
}

.visual-grid,
.history-grid {
  grid-template-columns: 1fr;
}

.upload-form,
.search-form,
.slot-summary,
.history-list,
.scenario-list,
.login-form,
.auth-settings-form {
  display: grid;
  gap: 14px;
}

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

.login-submit-btn {
  width: 100%;
}

.field {
  display: grid;
  gap: 8px;
}

.field-head {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.field-head-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.period-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.period-chip {
  min-width: 52px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.period-chip:hover {
  transform: translateY(-1px);
}

.period-chip.active {
  background: linear-gradient(135deg, rgba(22, 115, 106, 0.14), rgba(22, 115, 106, 0.24));
  border-color: rgba(22, 115, 106, 0.28);
  color: var(--primary-strong);
}

.period-chip.period-all-day {
  min-width: 84px;
}

.lesson-checklist {
  display: grid;
  gap: 10px;
}

.checklist-meta {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.lesson-option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.lesson-option:hover {
  transform: translateY(-1px);
}

.lesson-option.selected {
  background: rgba(22, 115, 106, 0.1);
  border-color: rgba(22, 115, 106, 0.24);
}

.lesson-option.blocked {
  background: rgba(255, 255, 255, 0.52);
  border-style: dashed;
  cursor: not-allowed;
}

.lesson-option.blocked:hover {
  transform: none;
}

.lesson-option input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--primary);
}

.lesson-option input:disabled {
  cursor: not-allowed;
}

.lesson-option-main {
  display: grid;
  gap: 4px;
  flex: 1;
}

.lesson-flag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
}

.lesson-flag.ok {
  background: var(--soft-success);
  color: var(--success);
}

.lesson-flag.bad {
  background: var(--soft-danger);
  color: var(--danger);
}

.swap-note {
  color: #8f2f2f;
  font-size: 0.84rem;
  line-height: 1.55;
  font-weight: 700;
}

.field span,
.toggle span,
.field-head > span:first-child {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
}

.field-head .muted-text {
  font-size: 0.82rem;
}

.field-wide {
  grid-column: span 2;
}

.period-field {
  grid-column: span 2;
}

.toggle {
  grid-column: span 3;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
}

.toggle input {
  width: 18px;
  height: 18px;
}

input,
select,
button {
  font: inherit;
}

input[type="date"],
input[type="file"],
input[type="password"],
input[type="text"],
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
  color: var(--text);
  padding: 13px 14px;
}

input:focus,
select:focus {
  outline: 2px solid rgba(22, 115, 106, 0.16);
  border-color: rgba(22, 115, 106, 0.42);
}

.primary-btn,
.ghost-btn,
.select-btn,
.export-link {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.primary-btn:hover,
.ghost-btn:hover,
.select-btn:hover,
.export-link:hover {
  transform: translateY(-1px);
}

.primary-btn:disabled,
.ghost-btn:disabled,
.select-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.primary-btn {
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  font-weight: 700;
}

.ghost-btn,
.select-btn {
  padding: 12px 18px;
  background: var(--soft-fill);
  color: var(--text);
  font-weight: 700;
}

.small-btn {
  padding: 10px 16px;
}

.tiny-btn {
  padding: 7px 12px;
  font-size: 0.82rem;
}

.confirm-btn {
  width: 100%;
}

.confirm-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.compact-card {
  padding: 20px;
}

.compact-card .summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.compact-card .summary-item {
  padding: 13px 14px;
}

.compact-card .summary-value {
  font-size: 1.08rem;
}

.compact-card .source-meta {
  margin-top: 12px;
  font-size: 0.86rem;
}

.upload-hint {
  margin: 0 0 12px;
}

.field-note {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.scheme-help {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.tooltip-trigger {
  position: relative;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(22, 115, 106, 0.18);
  border-radius: 999px;
  background: rgba(22, 115, 106, 0.08);
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  cursor: help;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tooltip-trigger::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%) translateY(4px);
  width: min(280px, calc(100vw - 48px));
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(31, 43, 47, 0.12);
  background: rgba(28, 40, 44, 0.96);
  box-shadow: 0 18px 34px rgba(31, 43, 47, 0.18);
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.55;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 5;
}

.tooltip-trigger::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 4px);
  transform: translateX(-50%) translateY(4px);
  border: 6px solid transparent;
  border-top-color: rgba(28, 40, 44, 0.96);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 5;
}

.tooltip-trigger:hover::after,
.tooltip-trigger:hover::before,
.tooltip-trigger:focus-visible::after,
.tooltip-trigger:focus-visible::before,
.tooltip-trigger:active::after,
.tooltip-trigger:active::before {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.tooltip-trigger:focus-visible {
  outline: 2px solid rgba(22, 115, 106, 0.22);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.summary-item,
.scenario-chip,
.slot-group,
.adjustment-item,
.export-item,
.preview-card,
.course-chip,
.lesson-pill {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.summary-item {
  padding: 16px;
  display: grid;
  gap: 6px;
}

.preview-card {
  padding: 14px 16px;
}

.preview-list {
  display: grid;
  gap: 10px;
}

.preview-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.preview-card-body {
  display: grid;
  gap: 4px;
}

.summary-label {
  color: var(--muted);
  font-size: 0.88rem;
}

.summary-value {
  font-size: 1.32rem;
}

.source-meta {
  margin-top: 16px;
}

.scheme-panel {
  margin-top: 18px;
}

.scenario-list {
  margin-top: 12px;
}

.scenario-chip {
  padding: 12px 14px;
}

.scenario-chip.active {
  background: rgba(22, 115, 106, 0.14);
  border-color: rgba(22, 115, 106, 0.22);
}

.scenario-name {
  font-weight: 800;
}

.scenario-meta {
  color: var(--muted);
  font-size: 0.8rem;
}

.search-card .field {
  gap: 5px;
  min-width: 0;
}

.search-form > * {
  min-width: 0;
}

.search-card select,
.search-card input[type="date"] {
  display: block;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 54px;
  padding: 10px 14px;
  border-radius: 14px;
  box-sizing: border-box;
}

.search-card input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
  overflow: hidden;
  font-size: 16px;
  line-height: 1.2;
}

.search-card input[type="date"]::-webkit-date-and-time-value {
  min-width: 0;
}

.search-card input[type="date"]::-webkit-datetime-edit,
.search-card input[type="date"]::-webkit-datetime-edit-fields-wrapper,
.search-card input[type="date"]::-webkit-datetime-edit-text,
.search-card input[type="date"]::-webkit-datetime-edit-month-field,
.search-card input[type="date"]::-webkit-datetime-edit-day-field,
.search-card input[type="date"]::-webkit-datetime-edit-year-field {
  min-width: 0;
  padding: 0;
}

.search-card input[type="date"]::-webkit-calendar-picker-indicator {
  margin: 0;
  padding: 0;
  opacity: 0.88;
}

.search-card .form-actions {
  margin-top: 2px;
}

.teacher-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-height: 148px;
  overflow: auto;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
}

.teacher-picker.empty-state {
  display: block;
  padding: 16px;
}

.teacher-pill {
  border: 1px solid rgba(31, 43, 47, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.teacher-pill:hover {
  transform: translateY(-1px);
}

.teacher-pill.selected {
  background: rgba(22, 115, 106, 0.12);
  border-color: rgba(22, 115, 106, 0.24);
  color: var(--primary-strong);
}

.collapsed-panel {
  display: grid;
}

.history-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.auth-dock {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 4;
  display: grid;
  justify-items: end;
  gap: 12px;
}

.auth-dock-btn {
  box-shadow: 0 18px 34px rgba(31, 43, 47, 0.16);
}

.auth-settings-panel {
  width: min(360px, calc(100vw - 32px));
  padding: 18px;
  display: grid;
  gap: 14px;
}

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

.auth-settings-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
}

.status-pill.idle {
  background: rgba(31, 43, 47, 0.08);
  color: var(--muted);
}

.status-pill.success {
  background: var(--soft-success);
  color: var(--success);
}

.status-pill.warn {
  background: var(--soft-accent);
  color: #9a5d1f;
}

.status-pill.error {
  background: var(--soft-danger);
  color: var(--danger);
}

.slot-group,
.adjustment-item,
.export-item {
  padding: 14px 16px;
}

.slot-group.empty-slot {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.52);
}

.slot-group strong,
.course-chip strong,
.adjustment-item strong,
.export-item strong {
  display: block;
  margin-bottom: 4px;
}

.slot-line + .slot-line {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed rgba(31, 43, 47, 0.1);
}

.preview-panel {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.compact-empty {
  padding: 16px;
}

.results-card {
  overflow: hidden;
}

.visual-card {
  width: 100%;
  overflow: visible;
  min-width: 0;
}

.results-groups {
  display: grid;
  gap: 16px;
}

.result-group {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.66);
  overflow: hidden;
}

.result-group.selected-group {
  border-color: rgba(22, 115, 106, 0.24);
  background: rgba(22, 115, 106, 0.06);
}

.result-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
}

.result-group-info {
  display: grid;
  gap: 6px;
}

.result-group-title {
  font-size: 1.08rem;
  font-weight: 800;
}

.result-group-meta,
.result-group-count,
.candidate-subtitle,
.candidate-label {
  color: var(--muted);
}

.result-group-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.result-group-count {
  font-size: 0.88rem;
}

.result-group-selection {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.result-group-selection-text {
  color: var(--primary-strong);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.5;
}

.result-group-body {
  display: grid;
  gap: 14px;
  padding: 0 20px 20px;
}

.candidate-card {
  display: grid;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(31, 43, 47, 0.1);
  background: rgba(255, 255, 255, 0.82);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.candidate-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(31, 43, 47, 0.08);
}

.candidate-card.locked {
  border-color: rgba(22, 115, 106, 0.24);
  background: rgba(22, 115, 106, 0.08);
}

.candidate-card-head,
.candidate-head-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.candidate-title {
  font-size: 1rem;
  font-weight: 800;
}

.candidate-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
}

.candidate-block {
  display: grid;
  gap: 8px;
}

.candidate-block-wide {
  grid-column: 1 / -1;
}

.candidate-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.recommend-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.recommend-pill.yes {
  background: var(--soft-success);
  color: var(--success);
}

.recommend-pill.no {
  background: rgba(31, 43, 47, 0.08);
  color: var(--muted);
}

.course-stack,
.conflict-stack {
  display: grid;
  gap: 8px;
}

.course-chip,
.conflict-chip,
.lesson-pill {
  padding: 10px 12px;
}

.course-chip .chip-meta,
.time-meta,
.lesson-meta,
.adjustment-meta,
.export-meta {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.conflict-chip {
  border-radius: 14px;
}

.conflict-chip.ok {
  background: var(--soft-success);
  color: var(--success);
}

.conflict-chip.bad {
  background: var(--soft-danger);
  color: var(--danger);
}

.select-btn.active {
  background: linear-gradient(135deg, var(--accent), #d36f22);
  color: white;
}

.schedule-grid {
  display: grid;
  grid-template-columns: 96px repeat(5, minmax(210px, 1fr));
  gap: 10px;
  width: max-content;
  min-width: 100%;
  position: relative;
  isolation: isolate;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}

.schedule-grid-shell {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: visible;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x pan-y;
}

.schedule-label,
.schedule-cell {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.schedule-label {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  font-weight: 800;
  color: var(--muted);
}

.schedule-cell {
  min-height: 148px;
  padding: 12px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.schedule-cell.empty {
  background: rgba(255, 255, 255, 0.44);
}

.lesson-pill {
  display: grid;
  gap: 5px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  transform-origin: center;
}

.lesson-pill:hover {
  transform: scale(1.03);
  box-shadow: 0 14px 26px rgba(31, 43, 47, 0.12);
}

.lesson-pill.moved {
  background: rgba(22, 115, 106, 0.12);
  border-color: rgba(22, 115, 106, 0.22);
}

.lesson-title {
  font-weight: 800;
  font-size: 0.88rem;
}

.lesson-note {
  color: var(--primary-strong);
  font-size: 0.74rem;
  line-height: 1.45;
}

.lesson-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(230, 139, 63, 0.14);
  color: #9a5d1f;
  font-size: 0.72rem;
  font-weight: 800;
}

.history-list.empty-state {
  display: block;
}

.focus-history-card {
  padding-bottom: 20px;
}

.adjustment-item,
.export-item {
  align-items: flex-start;
}

.adjustment-main,
.export-main {
  flex: 1;
}

.adjustment-card {
  display: grid;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

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

.adjustment-card-body {
  display: grid;
  gap: 6px;
}

.adjustment-line {
  font-size: 0.98rem;
}

.adjustment-time {
  color: var(--primary-strong);
  font-weight: 800;
}

.danger-btn {
  background: rgba(200, 82, 68, 0.12);
  color: var(--danger);
}

.export-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: linear-gradient(135deg, var(--accent), #d36f22);
  color: white;
  text-decoration: none;
  font-weight: 800;
}

.empty-state {
  padding: 22px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.64);
  border: 1px dashed rgba(31, 43, 47, 0.18);
  color: var(--muted);
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(18, 28, 31, 0.18);
  backdrop-filter: blur(12px);
}

.loading-card {
  width: min(520px, calc(100vw - 32px));
  padding: 28px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  background:
    linear-gradient(145deg, rgba(255, 252, 248, 0.96), rgba(239, 231, 219, 0.94)),
    var(--panel-strong);
  box-shadow: 0 30px 80px rgba(18, 28, 31, 0.24);
  display: grid;
  gap: 14px;
}

.loading-card h2 {
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.loading-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(22, 115, 106, 0.1);
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.loading-progress-track {
  position: relative;
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(31, 43, 47, 0.08);
}

.loading-progress-bar {
  position: relative;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), #3ea192);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  transition: width 0.28s ease;
}

.loading-progress-bar.indeterminate::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 14%, rgba(255, 255, 255, 0.52) 40%, transparent 66%);
  animation: loading-shimmer 1.1s linear infinite;
}

.loading-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

@keyframes loading-shimmer {
  from {
    transform: translateX(-120%);
  }

  to {
    transform: translateX(140%);
  }
}

.hidden {
  display: none !important;
}

@media (max-width: 1180px) {
  .grid-top,
  .workspace,
  .visual-grid,
  .history-grid {
    grid-template-columns: 1fr;
  }

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

  .result-group-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .visual-head .visual-tools select {
    width: 100%;
    max-width: none;
  }

  .auth-dock {
    right: 16px;
    bottom: 16px;
    left: 16px;
    justify-items: stretch;
  }

  .auth-settings-panel {
    width: 100%;
  }
}

@media (max-width: 840px) {
  .rename-form {
    grid-template-columns: 1fr;
  }

  .hero-status-stack {
    justify-items: start;
  }

  .loading-card {
    padding: 24px 20px;
  }

  .loading-meta {
    align-items: flex-start;
  }

  .visual-head,
  .preview-card-head,
  .adjustment-card-head,
  .adjustment-card-actions,
  .auth-settings-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .visual-tools,
  .visual-head .visual-tools {
    width: 100%;
  }

  .visual-head .visual-tools select,
  .visual-tools select {
    min-width: 0;
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 760px) {
  .workspace {
    display: contents;
  }

  .shell {
    display: flex;
    flex-direction: column;
  }

  .hero {
    order: 1;
  }

  .search-card {
    order: 2;
  }

  .results-card {
    order: 3;
  }

  .info-card {
    order: 4;
  }

  .visual-grid {
    order: 5;
  }

  .history-grid {
    order: 6;
  }

  .footer-panels {
    order: 7;
  }

  .shell {
    width: calc(100vw - 16px);
    margin: 8px auto calc(96px + env(safe-area-inset-bottom, 0px));
    gap: 14px;
  }

  .hero,
  .search-card,
  .results-card,
  .info-card,
  .visual-card,
  .history-card,
  .grid-top > .card {
    padding: 16px;
    border-radius: 20px;
  }

  .hero-head,
  .section-head,
  .field-head,
  .field-head-actions,
  .preview-card-head,
  .candidate-card-head,
  .candidate-head-actions,
  .adjustment-card-head,
  .adjustment-card-actions,
  .history-actions,
  .loading-meta {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .search-card input[type="date"],
  .search-card select {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .hero-copy {
    font-size: 0.94rem;
    line-height: 1.75;
  }

  .section-head,
  .field-head {
    gap: 8px;
  }

  .field-wide,
  .toggle,
  .form-actions {
    grid-column: span 1;
  }

  .period-field {
    grid-column: span 1;
  }

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

  .period-picker {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
  }

  .period-chip {
    min-width: 0;
    min-height: 48px;
    width: 100%;
    padding: 10px 8px;
  }

  .period-all-day {
    grid-column: span 4;
  }

  .teacher-picker {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-height: 220px;
  }

  .teacher-pill {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
  }

  .form-actions,
  .result-group-actions,
  .auth-settings-actions {
    display: grid;
    width: 100%;
  }

  .form-actions .primary-btn,
  .form-actions .ghost-btn,
  .result-group-actions .ghost-btn,
  .result-group-actions .select-btn,
  .history-actions .ghost-btn,
  .auth-dock-btn,
  .auth-settings-actions .ghost-btn,
  .auth-settings-actions .primary-btn {
    width: 100%;
  }

  .candidate-card .select-btn {
    width: 100%;
    min-height: 52px;
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    box-shadow: 0 12px 22px rgba(31, 43, 47, 0.08);
  }

  .candidate-card .select-btn.active {
    box-shadow: 0 14px 26px rgba(230, 139, 63, 0.24);
  }

  .slot-summary,
  .results-groups,
  .history-list,
  .preview-list,
  .scenario-list {
    gap: 12px;
  }

  .result-group-head {
    padding: 16px;
    gap: 12px;
  }

  .result-group-body {
    padding: 0 16px 16px;
    gap: 12px;
  }

  .candidate-card {
    padding: 14px;
    border-radius: 18px;
  }

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

  .result-group-count,
  .result-group-selection-text,
  .muted-text,
  .candidate-subtitle,
  .candidate-label,
  .lesson-meta,
  .adjustment-meta,
  .export-meta {
    line-height: 1.6;
  }

  .preview-panel {
    margin-top: 16px;
  }

  .adjustment-card,
  .preview-card,
  .summary-item,
  .scenario-chip {
    padding: 14px;
  }

  .schedule-grid {
    grid-template-columns: 72px repeat(5, minmax(158px, 1fr));
    gap: 8px;
    scroll-padding-left: 72px;
  }

  .schedule-grid-shell {
    max-height: min(70vh, 720px);
    overflow: auto;
    overscroll-behavior: contain;
    border-radius: 18px;
  }

  .schedule-grid > :nth-child(-n + 6) {
    position: sticky;
    top: 0;
    z-index: 3;
    background: rgba(248, 244, 235, 0.98);
  }

  .schedule-grid > :nth-child(6n + 1) {
    position: sticky;
    left: 0;
    z-index: 4;
    background: rgba(248, 244, 235, 0.98);
    box-shadow: 12px 0 18px rgba(31, 43, 47, 0.08);
    transform: translateZ(0);
  }

  .schedule-grid > :first-child {
    z-index: 5;
  }

  .schedule-label {
    min-height: 56px;
    font-size: 0.9rem;
    padding: 8px;
  }

  .schedule-cell {
    min-height: 136px;
    padding: 10px;
  }

  .lesson-pill {
    padding: 9px 10px;
  }

  .lesson-title {
    font-size: 0.84rem;
  }

  .auth-dock {
    left: 12px;
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    gap: 10px;
  }

  .auth-settings-panel {
    width: 100%;
    padding: 16px;
    border-radius: 20px;
  }

  .loading-overlay {
    padding: 16px;
  }

  .loading-card {
    width: calc(100vw - 24px);
    padding: 22px 18px;
    border-radius: 24px;
  }
}

@media (max-width: 520px) {
  h1 {
    font-size: 1.72rem;
    margin-bottom: 10px;
  }

  h2,
  .visual-title {
    font-size: 1.22rem;
  }

  .login-shell {
    width: calc(100vw - 16px);
    padding: 18px 0 24px;
  }

  .login-card {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .hero,
  .search-card,
  .results-card,
  .info-card,
  .visual-card,
  .history-card,
  .grid-top > .card {
    padding: 14px;
    border-radius: 18px;
  }

  .period-picker {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .period-all-day {
    grid-column: span 3;
  }

  .teacher-picker {
    grid-template-columns: 1fr;
  }

  .scheme-help {
    align-items: flex-start;
  }

  .schedule-grid {
    grid-template-columns: 68px repeat(5, minmax(144px, 1fr));
  }

  .schedule-grid-shell {
    max-height: min(66vh, 640px);
  }

  .schedule-label {
    font-size: 0.84rem;
  }

  .schedule-cell {
    min-height: 124px;
    padding: 8px;
  }

  .lesson-note,
  .lesson-badge {
    font-size: 0.7rem;
  }
}