:root {
  --accent: #0876cf;
  --accent-dark: #055eaa;
  --accent-soft: #eaf4ff;
  --ink: #142033;
  --muted: #65758b;
  --border: #d9e1ec;
  --surface: #ffffff;
  --page: #f5f7fa;
  --success-soft: #e9f8f0;
  --success: #18794e;
  --warning-soft: #fff7df;
  --warning: #8a5a00;
  --danger-soft: #ffe9ed;
  --danger: #b4233a;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 3px 12px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--page);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

.icon,
.meta-icon,
.time-icon,
.alert-icon,
.state-icon {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.icon {
  width: 18px;
  height: 18px;
}

.page-header {
  background: linear-gradient(90deg, #066bbd, var(--accent));
  color: white;
  box-shadow: 0 4px 16px rgba(3, 42, 82, 0.18);
}

.header-inner,
.container,
.footer-inner {
  width: min(100% - 40px, 1440px);
  margin: 0 auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand-text {
  min-width: 0;
}

.brand-title {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.2;
  font-weight: 600;
}

.brand-subtitle {
  margin-top: 3px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.8);
}

.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  font-size: 0.8rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.9);
  text-align: right;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: white;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 500;
}

.header-link:hover {
  color: white;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.16);
}

.language-form {
  display: inline-flex;
}

.language-select {
  min-height: 30px;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 26px 4px 9px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.language-select option {
  color: var(--ink);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.main {
  flex: 1 0 auto;
  padding: 18px 0 28px;
}

.alerts {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.alert {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid #cfe3fb;
  border-radius: 8px;
  background: var(--accent-soft);
  color: #154a85;
  box-shadow: var(--shadow-soft);
}

.alert--notice {
  border-color: #cfe3fb;
  background: var(--accent-soft);
  color: #154a85;
}

.alert--success {
  border-color: #bde8d0;
  background: var(--success-soft);
  color: var(--success);
}

.alert--warning {
  border-color: #f5d48a;
  background: var(--warning-soft);
  color: var(--warning);
}

.alert--danger {
  border-color: #f3b3bd;
  background: var(--danger-soft);
  color: var(--danger);
}

.alert-icon {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
}

.alert-text {
  flex: 1;
  min-width: 0;
  font-size: 0.92rem;
  line-height: 1.35;
}

.icon-button {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: currentColor;
  cursor: pointer;
}

.icon-button:hover {
  background: rgba(20, 32, 51, 0.08);
}

.filters-card,
.state-card,
.day-section {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.filters-card {
  margin-bottom: 18px;
  padding: 16px;
}

.filters-header {
  margin-bottom: 12px;
}

.filters-title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 600;
}

.filters-note {
  margin: 3px 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.filters-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}

.field {
  flex: 1 1 180px;
  min-width: 0;
}

.field:has(.autocomplete-tag) {
  flex-grow: 2;
}

.field-period {
  flex: 0.8 1 150px;
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #314258;
}

.control {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  outline: none;
  padding: 0 12px;
  box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.02);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(8, 118, 207, 0.12);
}

.select-wrap,
.date-wrap {
  display: block;
  position: relative;
}

.specified-date-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  flex: 2 1 380px;
  min-width: 0;
}

.specified-date-container label {
  min-width: 0;
}

.filters-actions {
  flex: 1 1 236px;
  min-width: 0;
  display: flex;
  gap: 12px;
  align-items: end;
  justify-content: flex-end;
}

.filters-actions .btn {
  flex: 1 1 0;
  min-width: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  min-width: 112px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 6px 14px rgba(8, 118, 207, 0.18);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: white;
  text-decoration: none;
}

.btn-secondary {
  border-color: var(--border);
  background: white;
  color: #22344c;
}

.btn-secondary:hover {
  background: #f8fafc;
}

.btn-more {
  height: 38px;
  min-width: 0;
  padding: 0 12px;
  border-color: #cfe0f4;
  color: var(--accent);
  background: #f8fbff;
  font-size: 0.9rem;
}

.filters-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.calendar-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #314258;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.calendar-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-box {
  width: 38px;
  height: 22px;
  position: relative;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #c8d3e2;
  transition: background 0.15s;
}

.toggle-box::after {
  content: "";
  width: 18px;
  height: 18px;
  position: absolute;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.25);
  transition: transform 0.15s;
}

.calendar-toggle input:checked + .toggle-box {
  background: var(--accent);
}

.calendar-toggle input:checked + .toggle-box::after {
  transform: translateX(16px);
}

.addition-filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.is-hidden {
  display: none !important;
}

.state-card {
  min-height: 220px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 30px;
  text-align: center;
}

.state-icon {
  width: 42px;
  height: 42px;
  color: var(--accent);
}

.state-card h2 {
  margin: 0;
  font-size: 1.18rem;
}

.state-card p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
}

.state-card--error .state-icon {
  color: var(--danger);
}

.state-actions {
  margin-top: 8px;
}

.state-actions--centered {
  display: flex;
  justify-content: center;
}

.schedule-list {
  display: grid;
  gap: 14px;
}

.export-menu {
  position: relative;
  flex: 0 0 auto;
  outline: none;
}

.export-menu__summary {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border: 1px solid #d7e3f4;
  border-radius: 8px;
  background: #fbfdff;
  color: #52647b;
  cursor: default;
  font-size: 0.78rem;
  font-weight: 700;
  list-style: none;
  white-space: nowrap;
}

.export-menu__summary::-webkit-details-marker {
  display: none;
}

.export-menu__summary .icon {
  width: 15px;
  height: 15px;
}

.export-menu[open] .export-menu__summary,
.export-menu__summary:focus-visible,
.export-menu:hover .export-menu__summary {
  border-color: #c4d6eb;
  color: var(--accent);
  outline: none;
}

.export-menu[open] .export-menu__summary .icon:last-child {
  transform: rotate(180deg);
}

.export-menu__list {
  position: absolute;
  z-index: 10;
  top: calc(100% + 6px);
  right: 0;
  width: min(310px, calc(100vw - 28px));
  display: grid;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  opacity: 0;
  pointer-events: none;
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  transition:
    opacity 0.12s ease,
    transform 0.12s ease,
    visibility 0.12s ease;
  visibility: hidden;
}

.export-menu[open] .export-menu__list {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.export-menu__list button,
.export-menu__disabled {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 34px;
  padding: 7px 9px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #22344c;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  text-align: left;
}

.export-mode-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin: 0 0 5px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f5f8fc;
}

.export-mode-option {
  position: relative;
  display: block;
  cursor: pointer;
}

.export-mode-option > input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.export-mode-option > span:first-of-type {
  display: flex;
  justify-content: center;
  padding: 7px 8px;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.export-mode-option > input:checked + span {
  background: white;
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(18, 52, 86, 0.16);
}

.export-mode-option > input:focus-visible + span {
  outline: 2px solid rgba(8, 118, 207, 0.45);
  outline-offset: 1px;
}

.export-mode-tooltip {
  position: absolute;
  z-index: 12;
  right: 0;
  bottom: calc(100% + 7px);
  width: min(250px, calc(100vw - 48px));
  padding: 7px 9px;
  border-radius: 7px;
  background: #1f3048;
  color: white;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.35;
  opacity: 0;
  pointer-events: none;
  transform: translateY(3px);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.export-mode-option:hover .export-mode-tooltip,
.export-mode-option > input:focus-visible ~ .export-mode-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.export-format-list {
  display: grid;
  gap: 3px;
}

.export-menu__error {
  padding: 6px 9px;
  color: var(--danger);
  font-size: 0.75rem;
}

@media (prefers-reduced-motion: reduce) {
  .export-menu__list,
  .export-mode-tooltip {
    transition: none;
  }
}

.export-menu__list button:hover,
.export-menu__list button:focus {
  background: var(--accent-soft);
  color: #164b85;
  outline: 2px solid rgba(8, 118, 207, 0.35);
  outline-offset: -2px;
}

.export-menu__disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.65;
}

.day-section {
  padding: 14px;
}

.day-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.day-title {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-weight: 600;
}

.day-title span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.day-title .date {
  color: var(--accent);
}

.day-separator {
  width: 1px;
  height: 20px;
  background: var(--border);
}

.day-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.result-count {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  font-size: 0.84rem;
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
}

.day-toggle {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  background: white;
  color: var(--muted);
  box-shadow: var(--shadow-soft);
  transition: background 0.15s, color 0.15s, transform 0.15s;
}

.day-toggle:hover {
  color: var(--accent);
}

.day-toggle-icon {
  transition: transform 0.18s ease;
}

.day-section.is-collapsed .day-toggle-icon {
  transform: rotate(180deg);
}

.day-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.day-content[hidden] {
  display: none;
}

.day-content--with-calendar {
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
}

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

.lesson-card {
  display: grid;
  grid-template-columns: minmax(140px, 170px) minmax(210px, 1.2fr) minmax(170px, 1fr) minmax(150px, 0.9fr) minmax(90px, 110px);
  gap: 14px;
  align-items: start;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s, box-shadow 0.15s;
}

.lesson-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.lesson-card--canceled {
  border-color: #ffc8d0;
  background: #fff8f9;
}

.lesson-card--canceled .subject-title,
.lesson-card--canceled .lesson-time {
  text-decoration: line-through;
}

.lesson-time {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 600;
}

.lesson-time span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.time-icon {
  width: 28px;
  height: 28px;
  color: var(--accent);
  flex: 0 0 auto;
}

.lesson-subject,
.lesson-groups,
.lesson-teacher,
.lesson-room {
  min-width: 0;
}

.subject-title {
  margin: 0 0 6px;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 600;
}

.lesson-meta-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

.meta-icon {
  width: 15px;
  height: 15px;
}

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

.chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 22px;
  padding: 3px 9px;
  border-radius: 7px;
  background: #e9f1fb;
  color: #164b85;
  font-size: 0.83rem;
  line-height: 1.1;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.chip-kind {
  border: 1px solid transparent;
}

.chip-kind--lecture {
  border-color: #d6c4ee;
  background: #eee5fb;
  color: #68438f;
}

.chip-kind--practice {
  border-color: #decaa1;
  background: #f4ebd8;
  color: #6a5126;
}

.chip-kind--lab {
  border-color: #bdd8c9;
  background: #e5f1ea;
  color: #315d45;
}

.chip-date {
  background: var(--warning-soft);
  color: var(--warning);
}

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

.teacher {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.45;
}

.room {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--accent);
}

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

.calendar-panel {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fbfdff;
  box-shadow: var(--shadow-soft);
}

.calendar-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.82rem;
}

.calendar-table th {
  padding: 9px 6px;
  background: var(--accent-soft);
  color: #164b85;
  font-weight: 700;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.calendar-table td {
  min-width: 36px;
  height: 34px;
  border-top: 1px solid #edf2f7;
  border-left: 1px solid #edf2f7;
  color: #314258;
  text-align: center;
  font-weight: 600;
}

.calendar-table td:first-child {
  border-left: 0;
}

.calendar-table tr:nth-child(even) td {
  background: #f8fbff;
}

.footer {
  flex: 0 0 auto;
  border-top: 1px solid var(--border);
  background: white;
}

.footer-inner {
  min-height: 74px;
  padding: 16px 0;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 18px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-link,
.footer-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-link {
  font-weight: 600;
}

.footer-contact {
  text-align: right;
  white-space: nowrap;
}

.copyright {
  grid-column: 1 / -1;
  margin-top: -4px;
  text-align: center;
  font-size: 0.78rem;
  color: #8290a3;
}

select.control {
  appearance: auto;
}

select.control[multiple] {
  min-height: 42px;
  max-height: 122px;
  padding: 6px;
  overflow: auto;
}

select.control[multiple] option {
  min-height: 28px;
  margin-bottom: 3px;
  padding: 6px 8px;
  border-radius: 7px;
}

select.control[multiple] option:checked {
  background: linear-gradient(var(--accent-soft), var(--accent-soft));
  color: #164b85;
  font-weight: 700;
}

.native-select-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.autocomplete-select {
  position: relative;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  box-shadow: inset 0 1px 0 rgba(15, 23, 42, 0.02);
  cursor: text;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.autocomplete-select:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(8, 118, 207, 0.12);
}

.autocomplete-tags {
  min-width: 0;
  max-width: 100%;
  display: contents;
}

.autocomplete-tags:empty {
  display: none;
}

.autocomplete-tag {
  flex: 0 1 auto;
  max-width: 100%;
  min-width: 0;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 9px;
  border: 0;
  border-radius: 7px;
  background: #e9f1fb;
  color: #164b85;
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
}

.autocomplete-tag-text {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.autocomplete-tag-remove {
  flex: 0 0 auto;
  color: #52789e;
}

.autocomplete-input {
  min-width: min(90px, 100%);
  max-width: 100%;
  flex: 1 1 90px;
  height: 28px;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.autocomplete-input::placeholder {
  color: #8290a3;
}

.autocomplete-options {
  position: absolute;
  z-index: 20;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow: auto;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  box-shadow: var(--shadow);
}

.autocomplete-option {
  width: 100%;
  min-height: 34px;
  display: block;
  padding: 7px 9px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #22344c;
  cursor: pointer;
  text-align: left;
  overflow-wrap: anywhere;
}

.autocomplete-option:hover,
.autocomplete-option:focus,
.autocomplete-option.is-active {
  background: var(--accent-soft);
  color: #164b85;
  outline: 2px solid rgba(8, 118, 207, 0.45);
  outline-offset: -2px;
}

.autocomplete-option--empty {
  color: var(--muted);
  cursor: default;
}

.autocomplete-option--empty:hover {
  background: transparent;
  color: var(--muted);
}

@media (max-width: 1280px) {
  .filters-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .filters-actions {
    grid-column: 2 / -1;
  }

  .filters-actions .btn {
    flex: 1 1 0;
    min-width: 0;
  }

  .day-content,
  .day-content--with-calendar {
    grid-template-columns: 1fr;
  }

  .lesson-card {
    grid-template-columns: minmax(130px, 160px) minmax(240px, 1fr) minmax(180px, 0.85fr);
  }

  .lesson-time {
    grid-row: 1 / span 2;
  }

  .lesson-subject,
  .lesson-groups {
    grid-column: 2;
  }

  .lesson-teacher,
  .lesson-room {
    grid-column: 3;
  }
}

@media (max-width: 900px) {
  .header-inner,
  .container,
  .footer-inner {
    width: min(100% - 28px, 1440px);
  }

  .header-inner {
    min-height: 76px;
    align-items: flex-start;
    padding: 12px 0;
  }

  .header-meta {
    font-size: 0;
  }

  .header-meta > div:first-child {
    display: none;
  }

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

  .specified-date-container {
    grid-column: 1 / -1;
  }

  .filters-actions {
    grid-column: 1 / -1;
  }

  .lesson-card {
    grid-template-columns: minmax(125px, 150px) minmax(0, 1fr);
  }

  .lesson-time {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .lesson-subject,
  .lesson-groups,
  .lesson-teacher,
  .lesson-room {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .footer-contact {
    text-align: left;
    white-space: normal;
  }

  .copyright {
    text-align: left;
    margin-top: 2px;
  }
}

@media (max-width: 640px) {
  .main {
    padding-top: 12px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .brand-subtitle {
    font-size: 0.72rem;
  }

  .alert {
    align-items: flex-start;
    padding: 10px 12px;
  }

  .alert-text {
    font-size: 0.86rem;
  }

  .filters-card {
    padding: 14px;
  }

  .filters-grid,
  .addition-filters-container,
  .specified-date-container {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .filters-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .filters-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .filters-toolbar .btn,
  .filters-actions .btn {
    flex: none;
    width: 100%;
  }

  .day-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .day-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .result-count {
    margin-right: auto;
  }

  .day-title {
    gap: 8px;
  }

  .day-separator {
    display: none;
  }

  .lesson-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }

  .lesson-time,
  .lesson-subject,
  .lesson-groups,
  .lesson-teacher,
  .lesson-room {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (max-width: 420px) {
  .header-inner,
  .container,
  .footer-inner {
    width: min(100% - 20px, 1440px);
  }

  .lesson-card,
  .filters-card,
  .state-card,
  .day-section {
    border-radius: 8px;
  }

  .chip {
    font-size: 0.8rem;
    padding: 3px 7px;
  }
}