:root {
  color-scheme: light dark;
  --page-max: 1680px;
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-soft: 0 14px 40px rgba(15, 23, 42, 0.07);
  --shadow-focus: 0 16px 44px rgba(49, 87, 200, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: rgb(var(--v-theme-background));
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

#app,
.v-application {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}

.app-bar {
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, rgb(var(--v-theme-surface)) 92%, transparent) !important;
}

.app-bar__inner {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.app-title-wrap,
.app-actions {
  display: flex;
  align-items: center;
}

.app-title-wrap {
  gap: 12px;
  min-width: 0;
}

.app-title-icon {
  color: rgb(var(--v-theme-primary));
}

.app-title {
  font-size: 1rem;
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.app-subtitle {
  margin-top: 2px;
  font-size: .75rem;
  color: rgba(var(--v-theme-on-surface), .6);
  font-weight: 600;
}

.app-actions {
  gap: 8px;
}

.page-wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 28px 24px 40px;
}

.loading-state,
.error-state,
.empty-state {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
  color: rgba(var(--v-theme-on-surface), .68);
}

.loading-label {
  font-weight: 600;
}

.error-state h1 {
  margin: 0;
  color: rgb(var(--v-theme-on-surface));
  font-size: 1.45rem;
}

.error-state p {
  margin: 0;
  max-width: 620px;
}

.eyebrow {
  margin-bottom: 7px;
  color: rgba(var(--v-theme-on-surface), .58);
  font-size: .73rem;
  line-height: 1.2;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .09em;
}

h2 {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, .78fr);
  gap: 18px;
  align-items: stretch;
}

.overview-main,
.next-card,
.module-progress,
.controls-panel,
.view-section {
  border: 1px solid rgba(var(--v-border-color), var(--v-border-opacity));
  background: rgb(var(--v-theme-surface));
  border-radius: var(--radius-xl);
}

.overview-main {
  padding: 26px;
}

.progress-headline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.progress-value {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: .95;
  font-weight: 800;
  letter-spacing: -0.065em;
}

.progress-caption {
  margin-top: 8px;
  color: rgba(var(--v-theme-on-surface), .64);
  font-size: .96rem;
  font-weight: 600;
}

.progress-circle-label {
  font-size: .86rem;
  font-weight: 800;
}

.overview-progress {
  margin-top: 20px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.metric-card {
  min-width: 0;
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 13px;
  border-radius: var(--radius-md);
  background: rgba(var(--v-theme-on-surface), .035);
  border: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .7));
}

.metric-card .v-icon {
  flex: 0 0 auto;
  color: rgb(var(--v-theme-primary));
}

.metric-card div {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.metric-card strong {
  font-size: 1rem;
  line-height: 1.1;
  font-weight: 800;
}

.metric-card span {
  margin-top: 3px;
  color: rgba(var(--v-theme-on-surface), .56);
  font-size: .71rem;
  line-height: 1.25;
}

.next-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  background:
    radial-gradient(circle at 100% 0%, rgba(var(--v-theme-primary), .14), transparent 45%),
    rgb(var(--v-theme-surface));
}

.next-card--today {
  box-shadow: var(--shadow-focus);
  border-color: rgba(var(--v-theme-primary), .45);
}

.next-card__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.countdown-badge {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(var(--v-theme-primary), .10);
  color: rgb(var(--v-theme-primary));
  font-size: .7rem;
  font-weight: 800;
  white-space: nowrap;
}

.next-date {
  margin-top: 22px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.next-time {
  margin-top: 8px;
  font-size: 1.15rem;
  font-weight: 700;
}

.next-module {
  margin-top: 24px;
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .055em;
}

.next-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
  color: rgba(var(--v-theme-on-surface), .65);
  font-size: .84rem;
  font-weight: 600;
}

.next-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.module-progress {
  margin-top: 18px;
  padding: 22px;
}

.section-heading-row,
.controls-top,
.filter-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.module-progress-card {
  min-width: 0;
  padding: 15px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .8));
  background: rgba(var(--v-theme-on-surface), .018);
}

.module-progress-card__header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  margin-bottom: 12px;
}

.module-dot,
.table-module-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  display: inline-block;
  flex: 0 0 auto;
}

.module-progress-card__title {
  min-width: 0;
  font-size: .78rem;
  line-height: 1.25;
  font-weight: 800;
}

.module-progress-card__percent {
  font-size: .8rem;
  font-weight: 800;
}

.module-progress-card__meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 9px;
  color: rgba(var(--v-theme-on-surface), .53);
  font-size: .68rem;
  font-weight: 600;
}

.controls-panel {
  margin-top: 18px;
  padding: 22px;
}

.view-toggle {
  flex-wrap: wrap;
}

.filters-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.25fr 1fr 1fr 1.25fr;
  gap: 12px;
  margin-top: 20px;
}

.filter-footer {
  margin-top: 13px;
  min-height: 32px;
}

.active-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(var(--v-theme-on-surface), .7);
  font-size: .78rem;
  font-weight: 600;
}

.active-filters.muted {
  color: rgba(var(--v-theme-on-surface), .45);
}

.view-section {
  margin-top: 18px;
  padding: 20px;
}

.agenda-day {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .75));
}

.agenda-day:last-child {
  border-bottom: 0;
}

.agenda-day--today .agenda-date-column {
  color: rgb(var(--v-theme-primary));
}

.agenda-date-column {
  text-align: center;
  align-self: start;
  padding-top: 3px;
}

.agenda-weekday,
.agenda-month {
  font-size: .69rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: rgba(var(--v-theme-on-surface), .5);
}

.agenda-day-number {
  margin: 2px 0;
  font-size: 2rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
}

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

.lesson-card {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 5px 78px minmax(0, 1fr) auto;
  align-items: stretch;
  border: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .9));
  border-radius: var(--radius-lg);
  background: linear-gradient(110deg, var(--lesson-soft), transparent 45%), rgb(var(--v-theme-surface));
  overflow: hidden;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.lesson-card:focus-visible,
.matrix-lesson:focus-visible,
.compact-table tbody tr:focus-visible {
  outline: 3px solid rgba(var(--v-theme-primary), .32);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) {
  .lesson-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--lesson-color) 40%, rgba(var(--v-border-color), var(--v-border-opacity)));
    box-shadow: var(--shadow-soft);
  }
}

.lesson-card--past {
  opacity: .58;
}

.lesson-card--next {
  opacity: 1;
  border-color: rgba(var(--v-theme-primary), .5);
  box-shadow: var(--shadow-focus);
}

.lesson-card--current {
  opacity: 1;
  border-color: rgba(var(--v-theme-primary), .68);
}

.lesson-accent {
  width: 100%;
}

.lesson-card__time {
  padding: 15px 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .75));
}

.lesson-card__time strong {
  font-size: 1.05rem;
  font-weight: 800;
}

.lesson-card__time span {
  color: rgba(var(--v-theme-on-surface), .55);
  font-size: .78rem;
  font-weight: 600;
}

.lesson-card__time small {
  margin-top: 8px;
  color: rgba(var(--v-theme-on-surface), .42);
  font-size: .66rem;
  font-weight: 700;
}

.lesson-card__body {
  min-width: 0;
  padding: 14px 15px;
}

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

.lesson-module {
  min-width: 0;
  font-size: .7rem;
  line-height: 1.25;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .045em;
}

.lesson-card__course {
  margin-top: 8px;
  font-size: 1.02rem;
  line-height: 1.25;
  font-weight: 800;
}

.lesson-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
  color: rgba(var(--v-theme-on-surface), .6);
  font-size: .76rem;
  font-weight: 600;
}

.lesson-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lesson-card__chevron {
  align-self: center;
  margin-right: 10px;
  color: rgba(var(--v-theme-on-surface), .35);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 3px 7px;
  border-radius: 999px;
  font-size: .63rem;
  line-height: 1;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill--past {
  background: rgba(var(--v-theme-on-surface), .07);
  color: rgba(var(--v-theme-on-surface), .5);
}

.status-pill--future {
  background: rgba(var(--v-theme-primary), .08);
  color: rgb(var(--v-theme-primary));
}

.status-pill--today,
.status-pill--current {
  background: rgba(var(--v-theme-primary), .16);
  color: rgb(var(--v-theme-primary));
}

.matrix-help {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 14px;
  color: rgba(var(--v-theme-on-surface), .58);
  font-size: .78rem;
  line-height: 1.45;
}

.matrix-scroll,
.compact-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .85));
  border-radius: var(--radius-lg);
  scrollbar-width: thin;
}

.matrix-table,
.compact-table {
  width: max-content;
  min-width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: rgb(var(--v-theme-surface));
}

.matrix-table th,
.matrix-table td,
.compact-table th,
.compact-table td {
  border-right: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .72));
  border-bottom: 1px solid rgba(var(--v-border-color), calc(var(--v-border-opacity) * .72));
}

.matrix-table tr:last-child th,
.matrix-table tr:last-child td,
.compact-table tbody tr:last-child td {
  border-bottom: 0;
}

.matrix-table th:last-child,
.matrix-table td:last-child,
.compact-table th:last-child,
.compact-table td:last-child {
  border-right: 0;
}

.matrix-site-head,
.matrix-site-cell {
  width: 150px;
  min-width: 150px;
  max-width: 150px;
  left: 0;
  z-index: 4;
  background: rgb(var(--v-theme-surface));
}

.sticky-site {
  position: sticky;
  left: 0;
}

.matrix-site-head {
  z-index: 8;
  top: 0;
  padding: 12px;
  text-align: left;
  color: rgba(var(--v-theme-on-surface), .5);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.matrix-site-cell {
  padding: 14px 12px;
  text-align: left;
  vertical-align: top;
  box-shadow: 8px 0 15px rgba(15, 23, 42, .025);
}

.matrix-site-cell .v-icon {
  margin-right: 6px;
  color: rgba(var(--v-theme-on-surface), .45);
}

.matrix-site-cell span {
  font-size: .8rem;
  font-weight: 800;
}

.matrix-date-head {
  position: sticky;
  top: 0;
  z-index: 5;
  width: 188px;
  min-width: 188px;
  padding: 10px 8px;
  background: rgb(var(--v-theme-surface));
  text-align: center;
}

.matrix-weekday {
  display: block;
  margin-bottom: 2px;
  color: rgba(var(--v-theme-on-surface), .46);
  font-size: .63rem;
  font-weight: 800;
  letter-spacing: .07em;
}

.matrix-date-head strong {
  font-size: .82rem;
  font-weight: 800;
}

.matrix-next-label,
.matrix-today-label {
  display: block;
  width: max-content;
  margin: 4px auto 0;
  padding: 2px 5px;
  border-radius: 999px;
  color: rgb(var(--v-theme-primary));
  background: rgba(var(--v-theme-primary), .12);
  font-size: .51rem;
  font-weight: 900;
  letter-spacing: .05em;
}

.matrix-cell {
  width: 188px;
  min-width: 188px;
  height: 124px;
  padding: 7px;
  vertical-align: top;
  background: rgb(var(--v-theme-surface));
}

.matrix-col--past {
  background: color-mix(in srgb, rgb(var(--v-theme-surface)) 94%, rgba(var(--v-theme-on-surface), .045)) !important;
}

.matrix-col--today,
.matrix-col--next {
  background: color-mix(in srgb, rgb(var(--v-theme-surface)) 94%, rgba(var(--v-theme-primary), .10)) !important;
}

.matrix-lesson {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 6px;
  padding: 9px;
  border: 1px solid var(--module-border);
  border-left: 4px solid var(--module-color);
  border-radius: 10px;
  background: var(--module-soft);
  color: rgb(var(--v-theme-on-surface));
  text-align: left;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}

.matrix-lesson:last-child {
  margin-bottom: 0;
}

@media (hover: hover) and (pointer: fine) {
  .matrix-lesson:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(15, 23, 42, .08);
  }
}

.matrix-lesson--past {
  opacity: .56;
}

.matrix-lesson--next {
  opacity: 1;
  outline: 2px solid rgba(var(--v-theme-primary), .35);
  outline-offset: 1px;
}

.matrix-lesson__time {
  font-size: .73rem;
  font-weight: 800;
}

.matrix-lesson__module {
  font-size: .65rem;
  line-height: 1.25;
  font-weight: 800;
}

.matrix-lesson__course {
  color: rgba(var(--v-theme-on-surface), .55);
  font-size: .61rem;
  font-weight: 700;
}

.matrix-empty {
  min-height: 94px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(var(--v-theme-on-surface), .16);
  font-weight: 700;
}

.compact-table {
  width: 100%;
  min-width: 980px;
}

.compact-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 11px 13px;
  background: rgb(var(--v-theme-surface));
  color: rgba(var(--v-theme-on-surface), .48);
  font-size: .65rem;
  font-weight: 800;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.compact-table tbody tr {
  cursor: pointer;
  transition: background .15s ease;
}

@media (hover: hover) and (pointer: fine) {
  .compact-table tbody tr:hover {
    background: rgba(var(--v-theme-primary), .045);
  }
}

.compact-table td {
  padding: 12px 13px;
  font-size: .78rem;
  line-height: 1.35;
}

.compact-table td:first-child strong,
.compact-table td:first-child span {
  display: block;
}

.compact-table td:first-child span {
  margin-top: 2px;
  color: rgba(var(--v-theme-on-surface), .45);
  font-size: .68rem;
}

.compact-table td:nth-child(4) {
  font-weight: 700;
}

.table-module-dot {
  margin-right: 7px;
}

.table-row--past {
  opacity: .58;
}

.table-row--next {
  opacity: 1;
  background: rgba(var(--v-theme-primary), .06);
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px 0;
  color: rgba(var(--v-theme-on-surface), .42);
  font-size: .67rem;
}

.page-footer code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.dialog-accent {
  height: 6px;
}

.lesson-dialog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding-top: 18px !important;
}

.lesson-dialog-grid > div {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 12px;
  border-radius: 12px;
  background: rgba(var(--v-theme-on-surface), .04);
}

.lesson-dialog-grid .v-icon {
  color: rgb(var(--v-theme-primary));
  flex: 0 0 auto;
}

.lesson-dialog-grid span {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.lesson-dialog-grid strong {
  font-size: .8rem;
}

.lesson-dialog-grid small {
  margin-top: 2px;
  color: rgba(var(--v-theme-on-surface), .45);
  font-size: .64rem;
}

@media (max-width: 1200px) {
  .metric-grid,
  .module-progress-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .filters-grid > :last-child {
    grid-column: 1 / -1;
  }

  .agenda-lessons {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .page-wrap {
    padding: 18px 14px 30px;
  }

  .app-bar__inner {
    padding: 0 14px;
  }

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

  .controls-top {
    align-items: flex-start;
    flex-direction: column;
  }

  .view-toggle {
    width: 100%;
  }

  .view-toggle .v-btn {
    flex: 1 1 0;
  }

  .agenda-day {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 12px;
  }

  .agenda-day-number {
    font-size: 1.7rem;
  }

  .lesson-card {
    grid-template-columns: 4px 64px minmax(0, 1fr);
  }

  .lesson-card__chevron {
    display: none;
  }

  .lesson-card__time {
    padding: 13px 9px;
  }

  .lesson-card__body {
    padding: 12px;
  }

  .page-footer {
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  .app-title {
    font-size: .9rem;
  }

  .overview-main,
  .next-card,
  .module-progress,
  .controls-panel,
  .view-section {
    border-radius: 16px;
  }

  .overview-main,
  .next-card,
  .module-progress,
  .controls-panel,
  .view-section {
    padding: 16px;
  }

  .progress-headline {
    align-items: flex-end;
  }

  .progress-headline .v-progress-circular {
    width: 76px !important;
    height: 76px !important;
  }

  .metric-grid,
  .module-progress-grid,
  .filters-grid {
    grid-template-columns: 1fr;
  }

  .filters-grid > :last-child {
    grid-column: auto;
  }

  .filter-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .view-toggle {
    display: grid !important;
    grid-template-columns: 1fr;
  }

  .agenda-day {
    grid-template-columns: 1fr;
  }

  .agenda-date-column {
    display: flex;
    align-items: baseline;
    gap: 7px;
    text-align: left;
  }

  .agenda-day-number {
    order: -1;
    font-size: 1.45rem;
  }

  .agenda-lessons {
    gap: 10px;
  }

  .lesson-card {
    grid-template-columns: 4px 58px minmax(0, 1fr);
  }

  .lesson-card__topline {
    flex-direction: column;
    gap: 6px;
  }

  .lesson-card__meta {
    gap: 8px;
  }

  .matrix-site-head,
  .matrix-site-cell {
    width: 116px;
    min-width: 116px;
    max-width: 116px;
  }

  .matrix-date-head,
  .matrix-cell {
    width: 164px;
    min-width: 164px;
  }

  .lesson-dialog-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}