/* ============================================================
   模块层：登录 / 首页 / 课表 / 作业 / 实践 / 日历 / 网站 / 设置
   ============================================================ */

/* ---------------- 登录 ---------------- */
.auth-wrap {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px calc(24px + var(--safe-bottom));
  background:
    radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 26px 26px 22px;
  box-shadow: var(--shadow-md);
}
.auth-card h1 {
  font-size: 19px;
}
.recovery-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  border: 1px dashed var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 17px;
  letter-spacing: 0.14em;
  text-align: center;
  font-weight: 600;
  user-select: all;
  word-break: break-all;
}
.link-btn {
  color: var(--accent);
  font-size: 12.5px;
  padding: 0;
}
.link-btn:hover {
  text-decoration: underline;
}
.boot-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.offline-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 12.5px;
  color: var(--warn);
  background: var(--warn-soft);
  border-bottom: 1px solid var(--line);
}

/* ---------------- 首页 ---------------- */
.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 9%, var(--surface)), var(--surface) 55%);
  border: 1px solid var(--line);
  margin-bottom: 18px;
}
.hero-greet {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.hero-date {
  font-size: 24px;
  font-weight: 680;
  letter-spacing: -0.02em;
  margin-top: 2px;
  line-height: 1.25;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--muted);
}
.hero-next {
  flex: none;
  text-align: right;
  max-width: 42%;
}
.hero-next-label {
  font-size: 11.5px;
  color: var(--faint);
}
.hero-next-title {
  font-size: 14px;
  font-weight: 600;
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hero-next-time {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 2px;
}
@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    padding: 16px;
  }
  .hero-next {
    text-align: left;
    max-width: 100%;
    width: 100%;
    border-top: 1px dashed var(--line);
    padding-top: 10px;
    margin-top: 2px;
  }
  .hero-date {
    font-size: 21px;
  }
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.quick-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  text-align: left;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.quick-btn:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}
.quick-btn .q-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  flex: none;
}
.quick-btn .q-label {
  font-size: 13px;
  font-weight: 600;
}
.quick-btn .q-sub {
  font-size: 11px;
  color: var(--muted);
}
@media (max-width: 560px) {
  .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .quick-btn {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px;
  }
  .quick-btn .q-sub {
    display: none;
  }
}

/* 课程条目 */
.class-row {
  display: flex;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.class-row:last-child {
  border-bottom: none;
}
.class-time {
  flex: none;
  width: 78px;
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.5;
  padding-top: 1px;
}
.class-time strong {
  display: block;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 600;
}
.class-body {
  flex: 1;
  min-width: 0;
}
.class-name {
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
  word-break: break-word;
}
.class-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 3px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.class-row[data-status="canceled"] {
  opacity: 0.62;
}
.class-row[data-status="canceled"] .class-name {
  text-decoration: line-through;
  text-decoration-color: var(--faint);
}

/* 今日事项 */
.todo-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  width: 100%;
  text-align: left;
}
.todo-row:last-child {
  border-bottom: none;
}
.todo-row:hover {
  background: var(--surface-2);
}
.todo-main {
  flex: 1;
  min-width: 0;
}
.todo-title {
  font-size: 13.8px;
  font-weight: 550;
  line-height: 1.45;
  word-break: break-word;
}
.todo-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 4px;
  font-size: 11.8px;
  color: var(--muted);
}

/* ---------------- 课表 ---------------- */
.tt-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.tt-week-label {
  font-size: 13.5px;
  font-weight: 600;
  min-width: 72px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.tt-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}
.tt-grid {
  display: grid;
  grid-template-columns: 46px repeat(7, minmax(96px, 1fr));
  min-width: 720px;
}
.tt-head {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  padding: 7px 4px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}
.tt-head.today {
  color: var(--accent);
  background: var(--accent-soft);
}
.tt-period {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 6px 4px;
  text-align: center;
  font-size: 10.5px;
  color: var(--faint);
  line-height: 1.35;
  font-variant-numeric: tabular-nums;
  background: var(--surface-2);
}
.tt-cell {
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 3px;
  min-height: 52px;
  position: relative;
}
.tt-cell:last-child {
  border-right: none;
}
.tt-cell.today {
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.tt-item {
  border-radius: 7px;
  padding: 5px 6px;
  font-size: 11.5px;
  line-height: 1.35;
  height: 100%;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 3px solid;
  overflow: hidden;
  text-align: left;
  width: 100%;
}
.tt-item .tt-name {
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}
.tt-item .tt-room {
  font-size: 10.5px;
  color: var(--muted);
}
.tt-item[data-status="canceled"] {
  opacity: 0.5;
  text-decoration: line-through;
}
.tt-item[data-status="moved"],
.tt-item[data-status="makeup"] {
  outline: 1.5px dashed currentColor;
  outline-offset: -1.5px;
}

/* ---------------- 作业 ---------------- */
.filter-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.search-box {
  position: relative;
  flex: 1;
  min-width: 150px;
}
.search-box .input {
  padding-left: 34px;
  height: 36px;
}
.search-box svg {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--faint);
  pointer-events: none;
}

.assign-item {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.assign-item:last-child {
  border-bottom: none;
}
.assign-check {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1.5px solid var(--line-strong);
  display: grid;
  place-items: center;
  flex: none;
  margin-top: 1px;
  color: transparent;
  transition: all 0.12s ease;
}
.assign-check[data-done="true"] {
  background: var(--ok);
  border-color: var(--ok);
  color: var(--on-accent);
}
.assign-body {
  flex: 1;
  min-width: 0;
}
.assign-title {
  font-size: 14px;
  font-weight: 550;
  line-height: 1.45;
  word-break: break-word;
}
.assign-title.done {
  color: var(--muted);
  text-decoration: line-through;
}
.assign-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-top: 4px;
  font-size: 11.8px;
  color: var(--muted);
}
.assign-side {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: none;
}
.due-overdue {
  color: var(--danger-2);
  font-weight: 600;
}
.due-today {
  color: var(--warn);
  font-weight: 600;
}

/* ---------------- 实践 ---------------- */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 12px;
}
@media (max-width: 640px) {
  .proj-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
.proj-card {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  text-decoration: none;
  color: inherit;
}
.proj-card:hover {
  text-decoration: none;
}
.proj-name {
  font-size: 15px;
  font-weight: 620;
  line-height: 1.4;
  word-break: break-word;
}
.proj-sub {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.proj-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}

.stage-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stage-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}
.stage-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 13px;
  width: 100%;
  text-align: left;
}
.stage-title {
  font-size: 13.5px;
  font-weight: 600;
}
.stage-body {
  padding: 0 13px 12px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.task-row {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}
.task-row:last-child {
  border-bottom: none;
}
.task-title {
  font-size: 13.2px;
  line-height: 1.45;
}
.task-title.done {
  color: var(--muted);
  text-decoration: line-through;
}
.task-meta {
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.detail-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  justify-content: space-between;
  flex-wrap: wrap;
}
.detail-title {
  font-size: 21px;
  font-weight: 670;
  line-height: 1.3;
  letter-spacing: -0.01em;
  word-break: break-word;
}
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px 18px;
}
.meta-item .k {
  font-size: 11.5px;
  color: var(--faint);
}
.meta-item .v {
  font-size: 13.5px;
  margin-top: 2px;
  word-break: break-word;
}

/* ---------------- 日历 ---------------- */
.cal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.cal-month {
  font-size: 17px;
  font-weight: 640;
  font-variant-numeric: tabular-nums;
}
.cal-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}
.cal-dow {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.cal-dow span {
  padding: 7px 4px;
  text-align: center;
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 600;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}
.cal-cell {
  min-height: 90px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 5px 5px 6px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  text-align: left;
}
.cal-cell:nth-child(7n) {
  border-right: none;
}
.cal-cell.out {
  background: var(--surface-2);
  opacity: 0.62;
}
.cal-cell.today {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.cal-num {
  font-size: 11.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cal-cell.today .cal-num {
  color: var(--accent);
  font-weight: 700;
}
.cal-item {
  font-size: 10.5px;
  line-height: 1.3;
  padding: 2px 4px;
  border-radius: 5px;
  border-left: 2.5px solid;
  background: var(--surface-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}
@media (max-width: 720px) {
  .cal-cell {
    min-height: 64px;
    padding: 4px 3px;
  }
  .cal-item {
    font-size: 9.5px;
    padding: 1px 3px;
  }
}

.day-list-item {
  display: flex;
  gap: 11px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.day-list-item:last-child {
  border-bottom: none;
}
.day-time {
  flex: none;
  width: 58px;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding-top: 1px;
}

/* ---------------- 网站 ---------------- */
.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
}
@media (max-width: 560px) {
  .site-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}
.site-card {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 13px;
  text-decoration: none;
  color: inherit;
}
.site-card:hover {
  text-decoration: none;
}
.site-fav {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--surface-3);
  color: var(--text-2);
  font-weight: 650;
  font-size: 14px;
  flex: none;
}
.site-name {
  font-size: 14px;
  font-weight: 600;
  word-break: break-word;
}
.site-url {
  font-size: 11.5px;
  color: var(--faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------- 设置 ---------------- */
.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
}
.settings-row:last-child {
  border-bottom: none;
}
.settings-label {
  font-size: 13.5px;
  font-weight: 550;
}
.settings-desc {
  font-size: 11.8px;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.5;
}

.danger-zone {
  border-color: color-mix(in srgb, var(--danger-2) 30%, var(--line));
}

/* 表单底部操作条 */
.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

.chip-wrap {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* 进度条行 */
.progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.progress-row .progress {
  flex: 1;
}
.progress-val {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  min-width: 34px;
  text-align: right;
}