@font-face {
  font-family: "Pretendard Local";
  src: url("fonts/Pretendard-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Pretendard Local";
  src: url("fonts/Pretendard-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #f4f6f4;
  --surface: #ffffff;
  --surface-subtle: #f8faf8;
  --ink: #16201f;
  --muted: #687472;
  --line: #e0e6e2;
  --line-strong: #ccd6d1;
  --nav: #152d2c;
  --nav-soft: #234340;
  --primary: #1f7069;
  --primary-soft: #e4f1ef;
  --accent: #d96c48;
  --accent-soft: #fcece6;
  --warning: #8a6014;
  --warning-soft: #fff5d9;
  --danger: #a23b32;
  --danger-soft: #fff0ed;
  --shadow-sm: 0 5px 18px rgba(25, 53, 50, 0.06);
  --shadow-lg: 0 26px 70px rgba(17, 39, 37, 0.15);
  --radius-xl: 22px;
  --radius-lg: 16px;
  --radius-md: 11px;
  font-family: "Pretendard Local", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
  min-height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

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

button,
select {
  color: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(47, 144, 135, 0.35);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 9px 13px;
  border-radius: 8px;
  background: #fff;
  color: #111;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.overline,
.brand-label {
  margin: 0 0 6px;
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

/* Login */
.login-page {
  background: #edf1ee;
}

.login-shell {
  width: min(1180px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.9fr);
  align-items: stretch;
  padding: 40px 0;
}

.login-brand {
  min-height: 680px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(42px, 7vw, 78px);
  border-radius: 28px 0 0 28px;
  background: var(--nav);
  color: #fff;
  overflow: hidden;
}

.login-brand .brand-label {
  color: #90bdb7;
}

.login-brand h1 {
  max-width: 640px;
  margin: 20px 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.login-brand > div > p:last-child {
  max-width: 520px;
  margin: 0;
  color: #c3d5d1;
  font-size: 1rem;
}

.login-feature-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.login-feature-list li {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #d7e4e1;
  font-size: 0.9rem;
}

.login-feature-list span {
  color: #76b2aa;
  font-size: 0.72rem;
  font-weight: 900;
}

.login-panel {
  min-height: 680px;
  display: grid;
  place-items: center;
  padding: clamp(28px, 6vw, 68px);
  border-radius: 0 28px 28px 0;
  background: var(--surface);
}

.login-card {
  width: min(100%, 390px);
}

.login-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 14px;
  background: var(--nav);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 900;
}

.login-card h2 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.login-help {
  margin: 8px 0 26px;
  color: var(--muted);
}

.form-alert {
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid #efc4bc;
  border-radius: 10px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 0.84rem;
  font-weight: 700;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label {
  display: grid;
  gap: 7px;
}

.login-form label > span:first-child {
  font-size: 0.78rem;
  font-weight: 800;
}

.login-form input {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
}

.login-form input:hover,
.login-form input:focus {
  border-color: var(--primary);
}

.password-field {
  position: relative;
  display: block;
}

.password-field input {
  padding-right: 64px;
}

.password-field button {
  position: absolute;
  top: 7px;
  right: 7px;
  bottom: 7px;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  background: var(--surface-subtle);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.login-submit {
  min-height: 52px;
  margin-top: 4px;
  border: 0;
  border-radius: 11px;
  background: var(--nav);
  color: #fff;
  font-weight: 850;
}

.login-submit:hover {
  background: var(--nav-soft);
}

.security-copy {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.74rem;
}

/* App shell */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 238px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 24px 17px;
  background: var(--nav);
  color: #fff;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 8px 28px;
}

.sidebar-logo {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #fff;
  color: var(--nav);
  font-weight: 900;
}

.sidebar-brand div {
  display: grid;
}

.sidebar-brand strong {
  font-size: 0.9rem;
}

.sidebar-brand div span {
  color: #9ebcb8;
  font-size: 0.72rem;
}

.primary-nav {
  display: grid;
  gap: 5px;
}

.nav-item {
  min-height: 45px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 13px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: #aac2be;
  font-size: 0.86rem;
  font-weight: 750;
  text-align: left;
}

.nav-item span {
  width: 18px;
  color: #789c97;
  text-align: center;
}

.nav-item:hover,
.nav-item.is-active {
  background: var(--nav-soft);
  color: #fff;
}

.nav-item.is-active span {
  color: #7bc1b8;
}

.sidebar-status {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #62c4a8;
  box-shadow: 0 0 0 4px rgba(98, 196, 168, 0.12);
}

.sidebar-status div {
  min-width: 0;
  display: grid;
}

.sidebar-status strong {
  font-size: 0.75rem;
}

.sidebar-status div span {
  overflow: hidden;
  color: #94aca8;
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logout-form {
  margin-top: 9px;
}

.logout-form button {
  width: 100%;
  min-height: 39px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #93aaa6;
  font-size: 0.76rem;
}

.logout-form button:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.logout-short {
  display: none;
}

.main-area {
  min-width: 0;
  padding: 32px clamp(22px, 4vw, 56px) 60px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.045em;
}

.topbar p:last-child {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.secondary-button,
.user-chip {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.secondary-button {
  padding: 0 14px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.76rem;
  font-weight: 800;
}

.user-chip {
  gap: 8px;
  padding: 5px 11px 5px 6px;
  font-size: 0.76rem;
}

.user-chip span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 900;
}

.loading-card,
.error-card {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--muted);
}

.loading-card > span {
  width: 18px;
  height: 18px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.error-card {
  padding: 24px;
  border-color: #efc4bc;
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 750;
}

.global-toolbar {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.global-toolbar label {
  min-width: 220px;
  display: grid;
  gap: 4px;
}

.global-toolbar label > span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.global-toolbar select {
  min-height: 39px;
  padding: 0 34px 0 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-subtle);
  font-size: 0.78rem;
}

#clear-filters {
  min-height: 39px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  font-size: 0.74rem;
  font-weight: 800;
}

#filter-copy {
  margin: 0 0 9px auto;
  color: var(--muted);
  font-size: 0.72rem;
}

.view-section {
  display: grid;
  gap: 16px;
}

.attention-list {
  display: grid;
  gap: 8px;
}

.attention-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border: 1px solid #efc7be;
  border-radius: 12px;
  background: var(--danger-soft);
}

.attention-item div {
  display: grid;
  gap: 2px;
}

.attention-item strong {
  font-size: 0.86rem;
}

.attention-item span {
  color: var(--danger);
  font-size: 0.74rem;
}

.attention-item em {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: #fff;
  color: var(--danger);
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 900;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.summary-card {
  min-width: 0;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.summary-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
}

.summary-card strong {
  display: block;
  margin-top: 7px;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.summary-card small {
  display: block;
  margin-top: 8px;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.67rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.two-column-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 16px;
}

.content-card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.card-heading h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.text-button {
  border: 0;
  background: transparent;
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 850;
}

.today-license-card {
  background: linear-gradient(110deg, #ffffff 0%, #f2f8f6 100%);
}

.license-chip-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.license-chip {
  min-height: 31px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 9px 5px 11px;
  border: 1px solid #cde1dd;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.68rem;
}

.license-chip strong {
  font-size: inherit;
}

.license-chip span {
  min-width: 27px;
  padding: 2px 6px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-weight: 900;
  text-align: center;
}

.license-chip.is-unknown {
  border-color: #ecd69b;
  background: var(--warning-soft);
  color: var(--warning);
}

.license-chip.is-unknown span {
  color: var(--warning);
}

.license-caption {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.today-list,
.next-list {
  display: grid;
  gap: 8px;
}

.schedule-row {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(150px, 0.7fr) minmax(210px, 1.3fr) auto;
  align-items: center;
  gap: 14px;
  padding: 13px 14px 13px 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-subtle);
}

.schedule-row::before,
.mini-event::before,
.dialog-event::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--segment-color, var(--primary));
}

.schedule-person {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 9px;
}

.subject-badge {
  min-width: 34px;
  padding: 4px 6px;
  border-radius: 7px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.66rem;
  font-weight: 900;
  text-align: center;
}

.schedule-person strong {
  overflow: hidden;
  font-size: 0.88rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.schedule-course {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.schedule-until {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  white-space: nowrap;
}

.empty-state {
  padding: 24px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}

.next-item {
  display: grid;
  grid-template-columns: 47px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.next-item:last-child {
  border-bottom: 0;
}

.next-date {
  display: grid;
  place-items: center;
  min-height: 45px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.66rem;
  font-weight: 800;
  text-align: center;
}

.next-date strong {
  display: block;
  font-size: 1rem;
}

.next-item > div:last-child {
  min-width: 0;
  display: grid;
}

.next-item strong {
  font-size: 0.82rem;
}

.next-item span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.date-range {
  color: var(--muted);
  font-size: 0.72rem;
}

.week-preview,
.week-board {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 9px;
}

.preview-day,
.week-day {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-subtle);
  overflow: hidden;
}

.preview-day.is-today,
.week-day.is-today {
  border-color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.preview-day header,
.week-day header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 10px 11px;
  border-bottom: 1px solid var(--line);
}

.preview-day header strong,
.week-day header strong {
  font-size: 0.78rem;
}

.preview-day header span,
.week-day header span {
  color: var(--muted);
  font-size: 0.66rem;
}

.preview-day-body,
.week-day-body {
  display: grid;
  gap: 6px;
  padding: 8px;
}

.mini-event {
  position: relative;
  min-width: 0;
  padding: 8px 7px 8px 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

button.mini-event {
  width: 100%;
  color: inherit;
  text-align: left;
}

.mini-event strong,
.mini-event span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-event strong {
  font-size: 0.7rem;
}

.mini-event span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.61rem;
}

.day-count {
  padding: 4px 0;
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 850;
  text-align: center;
}

.day-license {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 7px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.61rem;
}

.view-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.view-toolbar > strong {
  font-size: 1rem;
}

.date-nav {
  display: flex;
  gap: 5px;
}

.date-nav button {
  min-width: 39px;
  min-height: 37px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-subtle);
  font-size: 0.74rem;
  font-weight: 800;
}

.week-board {
  align-items: start;
}

.week-day {
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.week-day-body {
  min-height: 200px;
}

.marker {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.62rem;
  font-weight: 900;
}

.month-weekdays,
.month-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.month-weekdays {
  padding: 0 7px;
}

.month-weekdays span {
  padding: 8px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-align: center;
}

.month-weekdays span:first-child {
  color: var(--danger);
}

.month-grid {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--line);
  gap: 1px;
}

.month-day {
  min-width: 0;
  min-height: 124px;
  padding: 9px;
  border: 0;
  background: var(--surface);
  color: inherit;
  text-align: left;
}

.month-day:hover {
  background: var(--surface-subtle);
}

.month-day.is-outside {
  background: #f3f5f3;
  color: #a8b0ae;
}

.month-day.is-weekend {
  background: #fafaf8;
}

.month-day.is-today {
  box-shadow: inset 0 0 0 2px var(--primary);
}

.month-day-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.month-day-number {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 850;
}

.is-today .month-day-number {
  background: var(--primary);
  color: #fff;
}

.month-day-count {
  color: var(--primary);
  font-size: 0.62rem;
  font-weight: 850;
}

.month-license {
  display: block;
  width: fit-content;
  margin-top: 6px;
  padding: 2px 5px;
  border-radius: 5px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.57rem;
  font-weight: 850;
}

.month-license.is-unknown {
  background: var(--warning-soft);
  color: var(--warning);
}

.month-day-people {
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

.month-person {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  font-size: 0.66rem;
}

.month-person::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--segment-color, var(--primary));
}

.month-person span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instructor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 12px;
}

.instructor-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.instructor-card > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 17px;
  border-bottom: 1px solid var(--line);
}

.instructor-card h2 {
  margin: 0;
  font-size: 1rem;
}

.instructor-card header span {
  color: var(--muted);
  font-size: 0.68rem;
}

.session-list {
  display: grid;
}

.session-row {
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
}

.session-row:last-child {
  border-bottom: 0;
}

.session-row.is-current {
  background: var(--primary-soft);
}

.session-period {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 0.76rem;
  font-weight: 850;
}

.current-badge {
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 0.59rem;
}

.session-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
}

.session-row .session-license {
  color: var(--primary);
  font-weight: 750;
}

.session-row .session-license.is-unknown,
.dialog-event-license.is-unknown {
  color: var(--warning);
}

.license-policy {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid #e5d39f;
  border-radius: 12px;
  background: var(--warning-soft);
  color: var(--warning);
}

.license-policy strong {
  flex: 0 0 auto;
  font-size: 0.78rem;
}

.license-policy span {
  font-size: 0.72rem;
}

.license-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.license-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.55fr);
  gap: 16px;
  align-items: start;
}

.license-daily-list {
  display: grid;
  gap: 7px;
}

.license-day-row {
  width: 100%;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-subtle);
  color: inherit;
  text-align: left;
}

.license-day-row:hover {
  border-color: var(--primary);
}

.license-day-date {
  display: grid;
  place-items: center;
  min-height: 46px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.65rem;
}

.license-day-date strong {
  color: var(--ink);
  font-size: 1rem;
}

.license-day-content {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.license-day-content small {
  overflow: hidden;
  color: var(--warning);
  font-size: 0.64rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.license-unknown-list {
  display: grid;
}

.license-unknown-list article {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 9px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.license-unknown-list article:last-child {
  border-bottom: 0;
}

.license-unknown-list article > span {
  color: var(--primary);
  font-size: 0.64rem;
  font-weight: 900;
}

.license-unknown-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.day-dialog {
  width: min(650px, calc(100% - 28px));
  max-height: min(760px, calc(100vh - 34px));
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 20px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}

.day-dialog::backdrop {
  background: rgba(8, 22, 21, 0.58);
  backdrop-filter: blur(3px);
}

.day-dialog > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 19px 21px;
  border-bottom: 1px solid var(--line);
}

.day-dialog h2 {
  margin: 0;
  font-size: 1.25rem;
}

#dialog-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--surface-subtle);
  font-size: 1.2rem;
}

#dialog-content {
  max-height: calc(100vh - 120px);
  display: grid;
  gap: 8px;
  padding: 18px 21px 22px;
  overflow-y: auto;
}

.dialog-license {
  display: grid;
  gap: 9px;
  padding: 13px;
  border: 1px solid #cde1dd;
  border-radius: 11px;
  background: #f2f8f6;
}

.dialog-license > strong {
  font-size: 0.76rem;
}

.dialog-event {
  position: relative;
  padding: 13px 14px 13px 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-subtle);
}

.dialog-event h3 {
  margin: 7px 0 2px;
  font-size: 0.95rem;
}

.dialog-event p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
}

@media (max-width: 1100px) {
  .summary-grid,
  .license-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column-layout,
  .license-layout {
    grid-template-columns: 1fr;
  }

  .week-preview,
  .week-board {
    grid-template-columns: repeat(5, minmax(180px, 1fr));
    overflow-x: auto;
    padding-bottom: 5px;
  }
}

@media (max-width: 820px) {
  .login-shell {
    width: min(100% - 24px, 620px);
    grid-template-columns: 1fr;
    padding: 18px 0;
  }

  .login-brand {
    min-height: auto;
    padding: 34px 28px;
    border-radius: 22px 22px 0 0;
  }

  .login-brand h1 {
    margin: 14px 0 12px;
    font-size: 2.35rem;
  }

  .login-feature-list {
    display: none;
  }

  .login-panel {
    min-height: auto;
    padding: 34px 28px 40px;
    border-radius: 0 0 22px 22px;
  }

  .app-shell {
    display: block;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 20;
    height: auto;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
  }

  .sidebar-brand {
    padding: 0;
  }

  .sidebar-brand div,
  .sidebar-status {
    display: none;
  }

  .sidebar-logo {
    width: 36px;
    height: 36px;
  }

  .primary-nav {
    display: flex;
    justify-content: center;
    gap: 3px;
  }

  .nav-item {
    min-height: 38px;
    justify-content: center;
    padding: 0 10px;
    font-size: 0.73rem;
  }

  .nav-item span {
    display: none;
  }

  .logout-form {
    display: block;
    margin: 0;
  }

  .logout-form button {
    width: 42px;
    min-height: 36px;
    padding: 0;
    color: #adc3bf;
    font-size: 0.68rem;
  }

  .logout-full {
    display: none;
  }

  .logout-short {
    display: inline;
  }

  .main-area {
    padding: 24px 16px 45px;
  }

  .topbar {
    align-items: flex-start;
  }

  .user-chip {
    display: none;
  }

  .month-day {
    min-height: 100px;
    padding: 6px;
  }

  .month-person:nth-child(n+2) {
    display: none;
  }
}

@media (max-width: 620px) {
  .topbar {
    flex-direction: column;
    margin-bottom: 18px;
  }

  .topbar-actions,
  .secondary-button {
    width: 100%;
  }

  .secondary-button {
    justify-content: center;
  }

  .global-toolbar {
    align-items: stretch;
  }

  .global-toolbar label {
    width: 100%;
    min-width: 0;
  }

  #clear-filters {
    width: 100%;
  }

  #filter-copy {
    width: 100%;
    margin: 0;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .license-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .license-policy {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }

  .summary-card {
    padding: 14px;
  }

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

  .schedule-course {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .content-card {
    padding: 16px;
  }

  .week-preview,
  .week-board {
    display: grid;
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .preview-day,
  .week-day {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .preview-day header,
  .week-day header {
    display: grid;
    place-content: center;
    border-right: 1px solid var(--line);
    border-bottom: 0;
    text-align: center;
  }

  .week-day-body {
    min-height: auto;
  }

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

  .date-nav {
    width: 100%;
  }

  .date-nav button:nth-child(2) {
    flex: 1;
  }

  .month-weekdays {
    display: none;
  }

  .month-grid {
    grid-template-columns: repeat(7, minmax(44px, 1fr));
    overflow-x: auto;
  }

  .month-day {
    min-height: 72px;
    padding: 5px;
  }

  .month-day-people,
  .month-day-count {
    display: none;
  }

  .month-day-head {
    justify-content: center;
  }

  .month-day .marker {
    width: 6px;
    height: 6px;
    margin: 7px auto 0;
    padding: 0;
    overflow: hidden;
    color: transparent;
  }

  .month-license {
    width: 7px;
    height: 7px;
    margin: 5px auto 0;
    padding: 0;
    overflow: hidden;
    border-radius: 50%;
    color: transparent;
  }

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

@media (max-width: 430px) {
  .primary-nav {
    justify-content: flex-end;
  }

  .nav-item {
    padding: 0 7px;
    font-size: 0.68rem;
  }

  .summary-card strong {
    font-size: 1.45rem;
  }

  .attention-item {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  .sidebar,
  .topbar-actions,
  .global-toolbar,
  .text-button,
  .view-toolbar {
    display: none !important;
  }

  .app-shell {
    display: block;
  }

  .main-area {
    padding: 0;
  }

  .content-card,
  .summary-card {
    box-shadow: none;
    break-inside: avoid;
  }
}