:root {
  color-scheme: light;
  --ink: #0b0b0c;
  --ink-soft: #171719;
  --red: #e20c14;
  --red-dark: #b90910;
  --paper: #f5f4f0;
  --white: #fff;
  --mist: #e9e8e3;
  --muted: #716f6b;
  --line: rgba(11, 11, 12, 0.13);
  --shadow: 0 22px 70px rgba(18, 16, 14, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

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

button,
a,
select,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}

button,
a {
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid rgba(226, 12, 20, 0.35);
  outline-offset: 3px;
}

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

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

.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 24px;
  background: var(--ink);
  color: var(--white);
  animation: intro-exit 0.58s cubic-bezier(.76, 0, .24, 1) 1.65s forwards;
}

.intro-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: min(72vw, 440px);
}

.intro-mark img {
  position: relative;
  z-index: 1;
  width: 78%;
  mix-blend-mode: screen;
  opacity: 0;
  transform: scale(.94);
  animation: mark-in .55s ease .2s forwards;
}

.intro-orbit {
  position: absolute;
  inset: -26% -9%;
  width: 118%;
  overflow: visible;
}

.intro-orbit path {
  fill: none;
  stroke: var(--red);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 720;
  stroke-dashoffset: 720;
  animation: orbit-draw 1.1s cubic-bezier(.65, 0, .35, 1) .13s forwards;
}

.intro > span {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  opacity: 0;
  animation: mark-in .45s ease .8s forwards;
}

@keyframes orbit-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes mark-in {
  to { opacity: 1; transform: scale(1); }
}

@keyframes intro-exit {
  0% { clip-path: inset(0 0 0 0); }
  100% { clip-path: inset(0 0 100% 0); visibility: hidden; }
}

.access {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  background: var(--ink);
  color: var(--white);
  overflow: hidden;
}

.access-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.access-card {
  position: relative;
  z-index: 1;
  align-self: center;
  padding: 64px clamp(32px, 8vw, 132px);
}

.access-logo {
  width: 220px;
  margin-bottom: 54px;
  mix-blend-mode: screen;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}

.access h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(3.6rem, 7.7vw, 8rem);
  line-height: .84;
  letter-spacing: -.075em;
}

.access-copy {
  max-width: 550px;
  margin: 30px 0 34px;
  color: rgba(255,255,255,.62);
  font-size: 1rem;
  line-height: 1.65;
}

.role-options {
  display: grid;
  max-width: 600px;
  border-top: 1px solid rgba(255,255,255,.14);
}

.role-option {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 16px;
  align-items: center;
  min-height: 76px;
  padding: 14px 16px 14px 0;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.14);
  background: transparent;
  color: var(--white);
  text-align: left;
  transition: padding .2s ease, background .2s ease;
}

.role-option:hover,
.role-option:focus-visible {
  padding-left: 16px;
  background: var(--red);
}

.role-number {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  opacity: .48;
}

.role-option strong,
.role-option small {
  display: block;
}

.role-option strong {
  font-size: 1.05rem;
}

.role-option small {
  margin-top: 3px;
  color: rgba(255,255,255,.52);
  font-size: .78rem;
}

.role-option:hover small,
.role-option:focus-visible small {
  color: rgba(255,255,255,.8);
}

.role-arrow {
  font-size: 1.4rem;
}

.catalog-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 28px;
  color: rgba(255,255,255,.6);
  font-size: .88rem;
  font-weight: 600;
  transition: color .2s ease;
}

.catalog-link:hover {
  color: var(--white);
}

.access-poster {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--red);
}

.access-poster::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,0,0,.12), transparent 48%),
    linear-gradient(150deg, transparent 45%, rgba(0,0,0,.13));
}

.poster-word {
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: clamp(8rem, 18vw, 20rem);
  font-weight: 700;
  letter-spacing: -.1em;
  line-height: 1;
  transform: translate(-50%, -50%) rotate(-90deg);
  -webkit-text-stroke: 2px rgba(255,255,255,.46);
  color: transparent;
}

.poster-ring {
  position: absolute;
  width: min(70vw, 820px);
  aspect-ratio: 1.55;
  top: 47%;
  left: 47%;
  border: 28px solid var(--ink);
  border-left-width: 10px;
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  box-shadow: 0 0 0 1px rgba(255,255,255,.18) inset;
}

.access-poster p {
  position: absolute;
  right: 48px;
  bottom: 42px;
  margin: 0;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  line-height: 1.6;
  text-align: right;
  text-transform: uppercase;
}

.app-shell {
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  z-index: 30;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  width: 252px;
  padding: 24px 18px 20px;
  background: var(--ink);
  color: var(--white);
}

.brand {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,.11);
}

.brand img {
  width: 178px;
  mix-blend-mode: screen;
}

.side-nav {
  display: grid;
  gap: 6px;
  margin-top: 28px;
}

.nav-item {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 50px;
  padding: 0 14px;
  border-radius: 13px;
  color: rgba(255,255,255,.58);
  font-size: .9rem;
  font-weight: 600;
  transition: color .2s ease, background .2s ease;
}

.nav-item:hover {
  color: var(--white);
  background: rgba(255,255,255,.06);
}

.nav-item.is-active {
  color: var(--white);
  background: var(--red);
}

.nav-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
}

.nav-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-index {
  font-size: .66rem;
  opacity: .46;
}

.side-bottom {
  display: grid;
  gap: 6px;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.11);
}

.demo-badge {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
  padding: 0 12px;
  color: rgba(255,255,255,.48);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.demo-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 5px rgba(226,12,20,.13);
}

.side-link {
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: rgba(255,255,255,.58);
  font-size: .78rem;
  text-align: left;
}

.side-link:hover {
  color: var(--white);
  background: rgba(255,255,255,.06);
}

.workspace {
  grid-column: 2;
  min-width: 0;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 12px clamp(24px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(245,244,240,.88);
  backdrop-filter: blur(18px);
}

.topbar-kicker,
.topbar-date {
  margin: 0;
}

.topbar-kicker {
  color: var(--muted);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.topbar-date {
  margin-top: 2px;
  font-size: .92rem;
  font-weight: 600;
  text-transform: capitalize;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.role-switcher select {
  min-height: 42px;
  padding: 0 38px 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: .78rem;
  font-weight: 700;
}

.profile-chip {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: .74rem;
  font-weight: 700;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}

.menu-button span {
  display: block;
  height: 1.5px;
  margin: 5px 0;
  background: var(--ink);
}

.main-content {
  width: min(100%, 1500px);
  margin: 0 auto;
  padding: 42px clamp(24px, 4vw, 56px) 80px;
}

.page-enter {
  animation: page-in .34s ease both;
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(10px); }
}

.page-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.page-heading h1,
.hero-title,
.admin-intro h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 5.1rem);
  line-height: .94;
  letter-spacing: -.06em;
}

.page-heading p:not(.eyebrow) {
  max-width: 540px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: .82rem;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--red {
  border-color: var(--red);
  background: var(--red);
}

.button--red:hover {
  background: var(--red-dark);
}

.button--light {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.button--ghost {
  border-color: rgba(255,255,255,.28);
  background: transparent;
}

.button--small {
  min-height: 38px;
  padding: 0 15px;
  font-size: .75rem;
}

.text-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--red);
  font-size: .82rem;
  font-weight: 700;
}

.student-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, .55fr);
  min-height: 410px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.student-hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(30px, 5vw, 68px);
  overflow: hidden;
}

.student-hero-copy::after {
  content: '';
  position: absolute;
  z-index: -1;
  width: 520px;
  height: 210px;
  top: 31%;
  right: -150px;
  border: 22px solid var(--red);
  border-radius: 50%;
  transform: rotate(-12deg);
  opacity: .9;
}

.hero-title {
  max-width: 760px;
  font-size: clamp(3.1rem, 7vw, 7.4rem);
}

.hero-title span {
  color: var(--red);
}

.hero-foot {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-top: 32px;
}

.hero-foot p {
  max-width: 340px;
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: .84rem;
  line-height: 1.5;
}

.next-class {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px;
  background: var(--red);
  color: var(--white);
}

.next-class::before {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 18px;
  pointer-events: none;
}

.next-class > * {
  position: relative;
  z-index: 1;
}

.next-class-label {
  display: flex;
  justify-content: space-between;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.next-class time strong,
.next-class time span {
  display: block;
}

.next-class time strong {
  font-size: clamp(4.5rem, 8vw, 7rem);
  line-height: .82;
  letter-spacing: -.08em;
}

.next-class time span {
  margin-top: 12px;
  font-size: 1.08rem;
  font-weight: 700;
}

.next-class h2 {
  margin: 0;
  font-size: 1.65rem;
  line-height: 1.05;
}

.next-class p {
  margin: 7px 0 0;
  color: rgba(255,255,255,.72);
  font-size: .82rem;
}

.section {
  margin-top: 48px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -.035em;
}

.section-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .84rem;
}

.week-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(72px, 1fr));
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.week-strip::-webkit-scrollbar {
  display: none;
}

.day-pill {
  min-width: 76px;
  padding: 15px 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.55);
  text-align: center;
}

.day-pill span,
.day-pill strong,
.day-pill small {
  display: block;
}

.day-pill span {
  color: var(--muted);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.day-pill strong {
  margin: 7px 0 5px;
  font-size: 1.45rem;
}

.day-pill small {
  min-height: 16px;
  color: var(--red);
  font-size: .63rem;
  font-weight: 700;
}

.day-pill.is-today {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.day-pill.is-today span {
  color: rgba(255,255,255,.6);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.class-card,
.surface-card,
.compact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.class-card {
  position: relative;
  min-height: 258px;
  padding: 24px;
  overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease;
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(11,11,12,.09);
}

.class-card.is-featured {
  background: var(--ink);
  color: var(--white);
}

.class-card-index {
  position: absolute;
  right: 18px;
  bottom: -20px;
  color: rgba(11,11,12,.045);
  font-size: 8rem;
  font-weight: 700;
  line-height: 1;
}

.class-card.is-featured .class-card-index {
  color: rgba(255,255,255,.055);
}

.class-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: #efeee9;
  color: var(--muted);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.tag--red {
  background: rgba(226,12,20,.12);
  color: var(--red);
}

.tag--dark {
  background: rgba(255,255,255,.11);
  color: rgba(255,255,255,.72);
}

.status-dot {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
}

.status-dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}

.class-card h3 {
  max-width: 260px;
  margin: 42px 0 8px;
  font-size: 1.55rem;
  line-height: 1.06;
  letter-spacing: -.035em;
}

.class-card p {
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
}

.class-card.is-featured p {
  color: rgba(255,255,255,.58);
}

.class-card-foot {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 600;
}

.class-card.is-featured .class-card-foot {
  color: rgba(255,255,255,.7);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  gap: 18px;
}

.surface-card {
  padding: 26px;
}

.surface-card h2,
.surface-card h3 {
  margin-top: 0;
}

.payment-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.payment-amount {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -.06em;
}

.payment-meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: .82rem;
}

.attendance-line {
  position: relative;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #deddd8;
}

.attendance-line span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--red);
}

.attendance-copy {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  color: var(--muted);
  font-size: .75rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.filter-chip {
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--muted);
  font-size: .76rem;
  font-weight: 700;
}

.filter-chip.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.schedule-list {
  border-top: 1px solid var(--line);
}

.schedule-row {
  display: grid;
  grid-template-columns: 96px minmax(180px, 1.3fr) minmax(150px, .8fr) 120px auto;
  gap: 20px;
  align-items: center;
  min-height: 86px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.schedule-time {
  font-size: 1.12rem;
  font-weight: 700;
}

.schedule-time small,
.schedule-name small,
.schedule-teacher small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 500;
}

.schedule-name strong {
  font-size: .96rem;
}

.capacity {
  color: var(--muted);
  font-size: .76rem;
  font-weight: 600;
}

.member-card-wrap {
  display: grid;
  grid-template-columns: minmax(330px, 1fr) minmax(260px, .7fr);
  gap: 28px;
  align-items: start;
}

.member-card {
  position: relative;
  min-height: 490px;
  padding: clamp(28px, 5vw, 52px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.member-card::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 260px;
  right: -240px;
  bottom: -70px;
  border: 30px solid var(--red);
  border-radius: 50%;
  transform: rotate(-16deg);
}

.member-logo {
  width: 190px;
  mix-blend-mode: screen;
}

.member-card-label {
  margin-top: 60px;
  color: rgba(255,255,255,.45);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.member-card h2 {
  margin: 10px 0 4px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: .92;
  letter-spacing: -.06em;
}

.member-id {
  color: rgba(255,255,255,.58);
  font-size: .85rem;
}

.member-validity {
  position: absolute;
  z-index: 1;
  right: clamp(28px, 5vw, 52px);
  bottom: 40px;
  text-align: right;
}

.member-validity span,
.member-validity strong {
  display: block;
}

.member-validity span {
  color: rgba(255,255,255,.5);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.member-validity strong {
  margin-top: 5px;
  font-size: .92rem;
}

.qr-panel {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: var(--red);
  color: var(--white);
}

.qr-panel h2 {
  margin: 0 0 10px;
  font-size: 1.55rem;
}

.qr-panel > p {
  margin: 0 0 22px;
  color: rgba(255,255,255,.72);
  font-size: .84rem;
  line-height: 1.5;
}

.qr-code {
  display: grid;
  place-items: center;
  width: min(100%, 286px);
  aspect-ratio: 1;
  margin: 0 auto;
  padding: 20px;
  border-radius: 20px;
  background: var(--white);
}

.qr-code svg {
  width: 100%;
  height: 100%;
}

.qr-demo-label {
  margin: 16px 0 0;
  color: rgba(255,255,255,.78);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.teacher-hero,
.admin-intro {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  padding: clamp(32px, 6vw, 72px);
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--white);
}

.teacher-hero::after,
.admin-intro::after {
  content: '';
  position: absolute;
  width: 560px;
  height: 210px;
  right: -130px;
  bottom: -55px;
  border: 26px solid var(--red);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.teacher-hero > *,
.admin-intro > * {
  position: relative;
  z-index: 1;
}

.teacher-hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(3rem, 6.8vw, 7rem);
  line-height: .9;
  letter-spacing: -.07em;
}

.teacher-hero h1 span {
  color: var(--red);
}

.teacher-hero-foot {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-top: 34px;
}

.teacher-hero-foot p {
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: .83rem;
}

.teacher-day-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.teacher-class {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  gap: 20px;
  align-items: center;
  min-height: 142px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.teacher-class-time {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.04em;
}

.teacher-class h3 {
  margin: 0 0 5px;
  font-size: 1.15rem;
}

.teacher-class p {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
}

.attendance-roster {
  display: grid;
  gap: 8px;
}

.student-check {
  display: grid;
  grid-template-columns: auto 42px 1fr auto;
  gap: 13px;
  align-items: center;
  min-height: 62px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #faf9f6;
}

.student-check input {
  width: 19px;
  height: 19px;
  accent-color: var(--red);
}

.avatar {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: .68rem;
  font-weight: 700;
}

.student-check strong,
.student-check small {
  display: block;
}

.student-check strong {
  font-size: .84rem;
}

.student-check small {
  margin-top: 2px;
  color: var(--muted);
  font-size: .7rem;
}

.student-check > span:last-child {
  color: var(--muted);
  font-size: .7rem;
  font-weight: 600;
}

.admin-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.admin-intro h1 {
  max-width: 750px;
}

.admin-intro-meta {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  min-width: 320px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 18px;
  background: rgba(255,255,255,.05);
}

.admin-intro-meta div {
  padding: 20px;
}

.admin-intro-meta div + div {
  border-left: 1px solid rgba(255,255,255,.18);
}

.admin-intro-meta strong,
.admin-intro-meta span {
  display: block;
}

.admin-intro-meta strong {
  font-size: 1.7rem;
}

.admin-intro-meta span {
  margin-top: 3px;
  color: rgba(255,255,255,.52);
  font-size: .7rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(100%, 360px);
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}

.search-box span {
  color: var(--muted);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-size: .82rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.data-table th {
  color: var(--muted);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.data-table td {
  font-size: .8rem;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.person-cell {
  display: flex;
  gap: 11px;
  align-items: center;
}

.person-cell strong,
.person-cell small {
  display: block;
}

.person-cell small {
  margin-top: 2px;
  color: var(--muted);
  font-size: .7rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #efeee9;
  color: var(--muted);
  font-size: .67rem;
  font-weight: 700;
}

.status-pill.is-paid {
  background: #e4f4ea;
  color: #1d7140;
}

.status-pill.is-due {
  background: rgba(226,12,20,.1);
  color: var(--red);
}

.table-action {
  padding: 5px 0;
  border: 0;
  background: transparent;
  color: var(--red);
  font-size: .72rem;
  font-weight: 700;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
}

.field--wide {
  grid-column: 1 / -1;
}

.field span {
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #faf9f6;
  color: var(--ink);
}

.field textarea {
  min-height: 84px;
  resize: vertical;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.scan-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,255,255,.1), transparent 36%),
    #111;
  color: var(--white);
}

.scan-stage::before {
  content: '';
  position: absolute;
  width: 190px;
  height: 190px;
  border: 2px solid var(--white);
  border-radius: 18px;
  box-shadow: 0 0 0 2000px rgba(0,0,0,.35);
}

.scan-line {
  position: absolute;
  z-index: 1;
  width: 170px;
  height: 2px;
  background: var(--red);
  box-shadow: 0 0 14px var(--red);
  animation: scan 2s ease-in-out infinite;
}

@keyframes scan {
  0%, 100% { transform: translateY(-70px); }
  50% { transform: translateY(70px); }
}

.scan-copy {
  position: absolute;
  bottom: 22px;
  margin: 0;
  color: rgba(255,255,255,.65);
  font-size: .74rem;
}

.modal-layer {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(11,11,12,.72);
  backdrop-filter: blur(8px);
}

.modal {
  position: relative;
  width: min(100%, 620px);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 36px 100px rgba(0,0,0,.36);
  animation: modal-in .25s ease both;
}

@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 25px 26px 18px;
  border-bottom: 1px solid var(--line);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: -.04em;
}

.modal-header .eyebrow {
  margin-bottom: 5px;
}

.icon-button {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  font-size: 1.45rem;
}

.modal-body {
  padding: 26px;
}

.modal-note {
  padding: 13px 15px;
  border-radius: 12px;
  background: #f1f0eb;
  color: var(--muted);
  font-size: .75rem;
  line-height: 1.5;
}

.toast-region {
  position: fixed;
  z-index: 120;
  right: 24px;
  bottom: 24px;
  display: grid;
  gap: 10px;
  width: min(calc(100vw - 48px), 360px);
}

.toast {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 15px 17px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--white);
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
  animation: toast-in .25s ease both;
}

.toast i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
}

.toast strong,
.toast small {
  display: block;
}

.toast strong {
  font-size: .82rem;
}

.toast small {
  margin-top: 2px;
  color: rgba(255,255,255,.58);
  font-size: .7rem;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
}

.empty-state {
  padding: 54px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  display: block;
  margin-bottom: 5px;
  color: var(--ink);
}

.bottom-nav {
  display: none;
}

@media (max-width: 1060px) {
  .access {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .access-card {
    padding-inline: 48px;
  }

  .poster-word {
    font-size: 10rem;
  }

  .app-shell {
    grid-template-columns: 216px minmax(0, 1fr);
  }

  .sidebar {
    width: 216px;
  }

  .workspace {
    grid-column: 2;
  }

  .student-hero {
    grid-template-columns: 1fr 290px;
  }

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

  .schedule-row {
    grid-template-columns: 84px minmax(160px, 1fr) minmax(120px, .7fr) auto;
  }

  .capacity {
    display: none;
  }

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

  .admin-intro {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 780px) {
  .access {
    display: block;
    min-height: 100svh;
  }

  .access-card {
    min-height: 100svh;
    padding: 34px 24px 42px;
  }

  .access-logo {
    width: 168px;
    margin-bottom: 48px;
  }

  .access h1 {
    font-size: clamp(3.5rem, 18vw, 5.6rem);
  }

  .access-copy {
    margin: 24px 0;
  }

  .access-poster {
    display: none;
  }

  .app-shell {
    display: block;
    padding-bottom: 74px;
  }

  .sidebar {
    width: min(86vw, 320px);
    transform: translateX(-102%);
    box-shadow: 30px 0 90px rgba(0,0,0,.28);
    transition: transform .28s ease;
  }

  .app-shell.menu-open .sidebar {
    transform: translateX(0);
  }

  .workspace {
    min-width: 0;
  }

  .topbar {
    min-height: 72px;
    padding: 10px 16px;
  }

  .menu-button {
    display: block;
  }

  .topbar > div:nth-child(2) {
    display: none;
  }

  .role-switcher select {
    max-width: 166px;
  }

  .main-content {
    padding: 26px 16px 54px;
  }

  .page-heading {
    display: block;
    margin-bottom: 24px;
  }

  .page-heading .button {
    margin-top: 18px;
  }

  .student-hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .student-hero-copy {
    min-height: 410px;
    padding: 30px 24px;
  }

  .hero-title {
    font-size: clamp(2.85rem, 12.5vw, 4.2rem);
  }

  .hero-foot {
    display: grid;
    gap: 14px;
  }

  .next-class {
    min-height: 350px;
    padding: 32px;
  }

  .next-class time strong {
    font-size: 5.6rem;
  }

  .cards-grid,
  .split-grid,
  .member-card-wrap,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .field--wide {
    grid-column: auto;
  }

  .class-card {
    min-height: 242px;
  }

  .payment-status {
    align-items: flex-start;
    flex-direction: column;
  }

  .schedule-row {
    grid-template-columns: 70px 1fr auto;
    gap: 13px;
    min-height: 94px;
  }

  .schedule-teacher {
    display: none;
  }

  .schedule-row .button {
    width: 38px;
    min-height: 38px;
    padding: 0;
    font-size: 0;
  }

  .schedule-row .button::after {
    content: '→';
    font-size: 1rem;
  }

  .member-card {
    min-height: 430px;
  }

  .member-validity {
    right: 28px;
    bottom: 32px;
  }

  .teacher-class {
    grid-template-columns: 72px 1fr;
  }

  .teacher-class .button {
    grid-column: 1 / -1;
  }

  .admin-intro {
    padding: 32px 24px;
  }

  .admin-intro-meta {
    min-width: 0;
    width: 100%;
  }

  .bottom-nav {
    position: fixed;
    z-index: 25;
    right: 10px;
    bottom: 10px;
    left: 10px;
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
    min-height: 62px;
    padding: 7px;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 18px;
    background: rgba(11,11,12,.95);
    color: var(--white);
    box-shadow: 0 16px 45px rgba(0,0,0,.24);
    backdrop-filter: blur(14px);
  }

  .bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    justify-content: center;
    min-height: 48px;
    padding: 0 5px;
    border-radius: 12px;
    font-size: .61rem;
  }

  .bottom-nav .nav-item.is-active {
    background: var(--red);
  }

  .bottom-nav .nav-index {
    display: none;
  }

  .bottom-nav .nav-icon svg {
    width: 18px;
    height: 18px;
  }

  .toast-region {
    right: 16px;
    bottom: 86px;
    width: calc(100vw - 32px);
  }

  .modal-layer {
    align-items: end;
    padding: 0;
  }

  .modal {
    width: 100%;
    max-height: 92svh;
    border-radius: 24px 24px 0 0;
  }
}

@media (max-width: 450px) {
  .role-option {
    grid-template-columns: 30px 1fr auto;
    gap: 10px;
  }

  .role-switcher select {
    max-width: 178px;
    padding-left: 12px;
    font-size: .7rem;
  }

  .profile-chip {
    display: none;
  }

  .student-check {
    grid-template-columns: auto 38px 1fr;
  }

  .student-check > span:last-child {
    display: none;
  }
}

@media (min-width: 781px) and (max-height: 800px) {
  .access-card {
    padding-top: 28px;
    padding-bottom: 28px;
  }

  .access-logo {
    width: 170px;
    margin-bottom: 24px;
  }

  .access h1 {
    font-size: clamp(3.2rem, 6.2vw, 5.7rem);
  }

  .access-copy {
    margin: 20px 0;
    line-height: 1.5;
  }

  .role-option {
    min-height: 62px;
  }

  .catalog-link {
    margin-top: 18px;
  }
}

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

  .intro {
    animation-delay: .25s !important;
  }
}