:root {
  --ink: #07164a;
  --muted: #5f698a;
  --line: #d9def5;
  --surface: #ffffff;
  --soft: #f5f7ff;
  --accent: #9a5cff;
  --accent-dark: #07164a;
  --accent-blue: #4bb8ff;
  --warm: #4bb8ff;
  --rose: #c85cff;
  --shadow: 0 18px 45px rgba(7, 22, 74, 0.14);
  --transition: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

button,
.primary-link {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 800;
  padding: 0.85rem 1rem;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease, opacity 220ms ease;
}

button:hover,
.primary-link:hover {
  background: var(--accent-dark);
  box-shadow: 0 10px 25px rgba(154, 92, 255, 0.28);
  transform: translateY(-1px);
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 900;
  padding: 0.85rem 1rem;
  text-decoration: none;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(244, 184, 96, 0.85);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.8rem clamp(1rem, 4vw, 4rem);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(217, 222, 245, 0.9);
  box-shadow: 0 12px 34px rgba(7, 22, 74, 0.1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.brand-logo {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(7, 22, 74, 0.22);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  border: 1px solid rgba(217, 222, 245, 0.95);
  border-radius: 999px;
  background: rgba(245, 247, 255, 0.92);
  padding: 0.28rem;
}

.main-nav a {
  position: relative;
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
  line-height: 1;
  padding: 0.72rem 0.95rem;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.main-nav a:hover {
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(7, 22, 74, 0.1);
  color: var(--accent-dark);
  transform: translateY(-1px);
}

.main-nav a:last-child {
  background: var(--ink);
  color: #ffffff;
}

.main-nav a:last-child:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(154, 92, 255, 0.28);
}

.hero {
  display: grid;
  min-height: 630px;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  align-items: end;
  gap: 2rem;
  padding: clamp(3rem, 7vw, 7rem) clamp(1rem, 4vw, 4rem) 3rem;
  background:
    linear-gradient(90deg, rgba(4, 12, 43, 0.88), rgba(8, 24, 76, 0.28)),
    url("https://images.unsplash.com/photo-1511379938547-c1f69419868d?auto=format&fit=crop&w=1800&q=80") center / cover;
  color: #ffffff;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero p:not(.eyebrow) {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.12rem;
}

.search-panel,
.teacher-apply,
.filters,
.booking-desk {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.search-panel {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  color: var(--ink);
}

label,
fieldset {
  display: grid;
  gap: 0.45rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 850;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 0.55rem;
  font-weight: 900;
}

fieldset label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 0.85rem;
}

input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

input[type="range"] {
  accent-color: var(--accent);
  padding: 0;
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 clamp(1rem, 4vw, 4rem);
  background: var(--line);
  transform: translateY(-1.6rem);
}

.quick-stats div {
  display: grid;
  gap: 0.2rem;
  min-height: 100px;
  padding: 1.2rem;
  background: var(--surface);
}

.quick-stats strong {
  font-size: 2rem;
}

.quick-stats span,
.teacher-card p,
.booking-item p,
.booking-item span {
  color: var(--muted);
}

.app-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: start;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 4rem) 4rem;
}

.filters {
  position: sticky;
  top: 5.25rem;
  display: grid;
  gap: 1.4rem;
  padding: 1.1rem;
  box-shadow: none;
}

.section-heading h2,
.results-top h2,
.modal-card h2,
.teacher-apply h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.08;
}

.secondary-button {
  background: #e9edff;
  color: var(--accent-dark);
}

.secondary-button:hover {
  background: #dde4ff;
  box-shadow: none;
}

.results-area {
  min-width: 0;
}

.results-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.results-top label {
  width: min(100%, 220px);
}

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

.teacher-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.teacher-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.teacher-body {
  display: grid;
  gap: 0.9rem;
  padding: 1rem;
}

.teacher-title,
.teacher-actions,
.booking-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.teacher-title h3,
.booking-item h3 {
  margin: 0;
}

.teacher-title p,
.teacher-card p,
.booking-item p {
  margin: 0;
}

.teacher-title strong {
  color: var(--rose);
  font-size: 1.25rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pill-row span {
  border-radius: 999px;
  background: #eef1ff;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 850;
  padding: 0.35rem 0.55rem;
}

.teacher-actions span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.booking-desk {
  display: grid;
  gap: 1rem;
  margin: 0 clamp(1rem, 4vw, 4rem) 4rem;
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: none;
}

.booking-list {
  display: grid;
  gap: 0.75rem;
}

.booking-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  background: var(--soft);
}

.booking-item button {
  background: var(--rose);
}

.booking-item [data-pay] {
  background: var(--accent);
}

.fee-breakdown {
  display: grid;
  gap: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  padding: 1rem;
}

.fee-breakdown div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.fee-breakdown span {
  color: var(--muted);
  font-weight: 800;
}

.fee-breakdown strong {
  color: var(--ink);
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 0.35rem 0.65rem;
  text-transform: capitalize;
}

.status-pending {
  background: #fff3d8;
  color: #8a5c00;
}

.status-accepted {
  background: #ece8ff;
  color: var(--accent-dark);
}

.status-paid {
  background: #dff4ff;
  color: #075985;
}

.status-declined,
.status-cancelled {
  background: #f8e4e6;
  color: #9b2f3d;
}

.calendar-picker {
  display: grid;
  gap: 0.8rem;
}

.calendar-picker h3 {
  margin: 0;
  font-size: 1.15rem;
}

.calendar-grid {
  display: grid;
  gap: 0.75rem;
}

.calendar-day {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 0.8rem;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 0.75rem;
}

.calendar-date {
  display: grid;
  align-content: center;
  gap: 0.15rem;
  border-radius: 8px;
  background: var(--soft);
  padding: 0.75rem;
  text-align: center;
}

.calendar-date strong {
  font-size: 1.25rem;
}

.calendar-date span,
.calendar-note,
.time-slot small {
  color: var(--muted);
}

.calendar-times {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(115px, 1fr));
  gap: 0.55rem;
}

.time-slot {
  display: grid;
  gap: 0.12rem;
  min-height: 64px;
  border: 1px solid var(--line);
  background: #f6f7ff;
  color: var(--ink);
  padding: 0.65rem;
  text-align: left;
}

.time-slot span {
  font-size: 1.1rem;
  font-weight: 900;
}

.time-slot:hover {
  background: #ffffff;
}

.time-slot.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.time-slot.is-selected small {
  color: rgba(255, 255, 255, 0.78);
}

.time-slot.is-booked,
.time-slot:disabled {
  cursor: not-allowed;
  border-color: #e5e0df;
  background: #f1eeee;
  color: #958d8b;
  box-shadow: none;
  transform: none;
}

.calendar-note {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 750;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.calendar-weekdays span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-align: center;
}

.calendar-day {
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: 0.12rem;
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f9ff;
  color: var(--ink);
  padding: 0.45rem;
  text-align: center;
}

.calendar-day span {
  font-size: 1.05rem;
  font-weight: 900;
}

.calendar-day small {
  color: var(--muted);
}

.calendar-day.has-slots {
  border-color: rgba(154, 92, 255, 0.34);
  background: #f0ebff;
}

.calendar-day.is-filled {
  border-color: #c9b8b8;
  background: #f1eeee;
  color: #958d8b;
}

.calendar-day.is-selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.calendar-day.is-selected small {
  color: rgba(255, 255, 255, 0.78);
}

.calendar-day.is-muted,
.calendar-day:disabled {
  cursor: not-allowed;
  border-color: #edf1ef;
  background: #f2f5f4;
  color: #a4adaa;
  box-shadow: none;
  transform: none;
}

.empty-state {
  border: 1px dashed #b8c7c3;
  border-radius: 8px;
  padding: 1.5rem;
  background: #ffffff;
  color: var(--muted);
  font-weight: 800;
}

.booking-modal {
  width: min(680px, calc(100% - 2rem));
  border: 0;
  border-radius: 8px;
  padding: 0;
}

.booking-modal::backdrop {
  background: rgba(4, 12, 43, 0.66);
}

.modal-card {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.icon-button {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  padding: 0;
  background: #eef1ff;
  color: var(--ink);
}

.signup-page {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(245, 247, 255, 0.97), rgba(245, 247, 255, 0.76)),
    url("https://images.unsplash.com/photo-1493225457124-a3eb161ffa5f?auto=format&fit=crop&w=1800&q=80") center / cover fixed;
}

.contact-page,
.account-page {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(245, 247, 255, 0.97), rgba(245, 247, 255, 0.74)),
    url("https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1800&q=80") center / cover fixed;
}

.signup-shell,
.contact-shell,
.account-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 560px);
  gap: 2rem;
  align-items: start;
  padding: clamp(2rem, 5vw, 5rem) clamp(1rem, 4vw, 4rem);
}

.contact-shell,
.account-shell {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 540px);
}

.signup-copy,
.contact-copy,
.account-copy {
  padding-top: 2rem;
}

.signup-copy h1,
.contact-copy h1,
.account-copy h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 0.98;
}

.signup-copy p,
.contact-copy p,
.account-copy p {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.08rem;
}

.signup-copy .quick-stats {
  max-width: 680px;
  margin: 2rem 0 0;
  transform: none;
}

.teacher-apply {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
}

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

.full-span {
  grid-column: 1 / -1;
}

.teacher-dashboard,
.feedback-form,
.settings-panel {
  display: grid;
  gap: 1rem;
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: clamp(1rem, 3vw, 1.5rem);
}

.donation-form {
  grid-column: 2;
}

.instrument-picker,
.day-picker,
.swatch-field {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f7ff;
  padding: 1rem;
}

.instrument-picker legend,
.day-picker legend,
.swatch-field legend {
  padding: 0 0.35rem;
}

.choice-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.choice-grid label,
.swatch-field label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 0.75rem;
}

.color-swatch {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 1px var(--line);
}

.color-swatch.purple {
  background: #9a5cff;
}

.color-swatch.blue {
  background: #4bb8ff;
}

.color-swatch.navy {
  background: #07164a;
}

.color-swatch.magenta {
  background: #c85cff;
}

.add-choice {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
}

.settings-preview {
  display: grid;
}

.form-actions,
.profile-manager-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.profile-manager {
  display: grid;
  gap: 0.75rem;
}

.managed-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  padding: 1rem;
}

.managed-profile h3,
.managed-profile p {
  margin: 0;
}

.managed-profile div:first-child {
  display: grid;
  gap: 0.3rem;
}

.managed-profile p,
.managed-profile span {
  color: var(--muted);
}

.success-message {
  display: none;
  border-radius: 8px;
  background: #ece8ff;
  color: var(--accent-dark);
  font-weight: 850;
  padding: 1rem;
}

.success-message.is-visible {
  display: block;
}

.admin-page {
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(245, 247, 255, 0.97), rgba(245, 247, 255, 0.76)),
    url("https://images.unsplash.com/photo-1516280440614-37939bbacd81?auto=format&fit=crop&w=1800&q=80") center / cover fixed;
}

.admin-shell {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1rem, 4vw, 4rem);
}

.admin-hero,
.admin-dashboard,
.admin-section,
.admin-lock {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.admin-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 420px);
  gap: 1.5rem;
  align-items: end;
  padding: clamp(1rem, 4vw, 2rem);
}

.admin-hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 5rem);
  line-height: 0.98;
}

.admin-hero p:not(.eyebrow),
.admin-meta,
.admin-topline p,
.admin-table span,
.admin-list-item span,
.admin-list-item p {
  color: var(--muted);
}

.admin-lock {
  display: grid;
  gap: 1rem;
  box-shadow: none;
  padding: 1rem;
}

.admin-dashboard {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.admin-dashboard[hidden],
.admin-lock[hidden] {
  display: none;
}

.admin-topline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.admin-topline h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.admin-metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-card {
  display: grid;
  gap: 0.35rem;
  min-height: 105px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f9ff;
  padding: 1rem;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.05;
}

.provider-card {
  background: #f0ebff;
}

.admin-section {
  display: grid;
  gap: 1rem;
  box-shadow: none;
  padding: 1rem;
}

.admin-table-wrap {
  overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem;
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.admin-table td {
  font-weight: 750;
}

.admin-table td:first-child,
.admin-table td:nth-child(3) {
  display: grid;
  gap: 0.25rem;
}

.admin-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.admin-list {
  display: grid;
  gap: 0.75rem;
}

.admin-list h3 {
  margin: 0;
}

.admin-list-item {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8f9ff;
  padding: 0.9rem;
}

.admin-list-item div {
  display: grid;
  gap: 0.25rem;
}

.admin-list-item p {
  margin: 0.25rem 0 0;
  font-weight: 700;
}

@media (max-width: 1050px) {
  .teacher-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero,
  .signup-shell,
  .contact-shell,
  .account-shell,
  .admin-hero,
  .admin-split {
    grid-template-columns: 1fr;
  }

  .admin-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero {
    align-items: center;
  }
}

@media (max-width: 760px) {
  .site-header,
  .results-top,
  .teacher-title,
  .teacher-actions,
  .booking-item {
    align-items: stretch;
    flex-direction: column;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    border-radius: 8px;
  }

  .main-nav a {
    flex: 1 1 auto;
    text-align: center;
    padding-inline: 0.65rem;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .quick-stats,
  .app-layout,
  .teacher-grid,
  .calendar-day,
  .instrument-picker,
  .day-picker,
  .swatch-field,
  .choice-grid,
  .add-choice,
  .contact-shell,
  .account-shell,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .managed-profile {
    align-items: stretch;
    flex-direction: column;
  }

  .donation-form {
    grid-column: auto;
  }

  .app-layout {
    padding-top: 0;
  }

  .filters {
    position: static;
  }

  .results-top label {
    width: 100%;
  }

  .admin-topline,
  .admin-list-item {
    align-items: stretch;
    flex-direction: column;
  }

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

body {
  background:
    radial-gradient(circle at top left, rgba(154, 92, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #f8faff 0%, var(--soft) 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

section,
aside,
header,
form,
.card,
.teacher-card,
.booking-item,
.filters,
.search-panel,
.booking-desk {
  animation: fade-up 560ms var(--transition) both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

main {
  overflow-x: clip;
}

.site-header,
.hero,
.quick-stats,
.app-layout,
.booking-desk,
.signup-shell,
.contact-shell,
.account-shell,
.admin-shell,
.admin-hero,
.admin-dashboard,
.admin-section,
.admin-lock {
  width: min(100%, 1320px);
  margin-inline: auto;
}

.site-header {
  border-radius: 0 0 18px 18px;
}

.main-nav {
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.hero {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(7, 22, 74, 0.15);
}

.hero-copy {
  padding-right: 0.5rem;
}

.search-panel {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 35px rgba(7, 22, 74, 0.16);
}

.quick-stats {
  gap: 0.85rem;
  margin-top: -1rem;
  transform: none;
  background: transparent;
}

.quick-stats div {
  min-height: 92px;
  border-radius: 18px;
  box-shadow: 0 14px 30px rgba(7, 22, 74, 0.08);
}

.section-heading {
  display: grid;
  gap: 0.2rem;
}

.filters,
.teacher-card,
.booking-item,
.teacher-apply,
.feedback-form,
.settings-panel,
.teacher-dashboard {
  border-radius: 18px;
}

.filters {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 32px rgba(7, 22, 74, 0.08);
}

.results-top {
  margin-bottom: 1rem;
  align-items: center;
}

.teacher-grid {
  gap: 1rem;
}

.teacher-card {
  box-shadow: 0 10px 24px rgba(7, 22, 74, 0.07);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.teacher-card:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 14px 34px rgba(7, 22, 74, 0.12);
  border-color: rgba(154, 92, 255, 0.28);
}

.teacher-card img {
  aspect-ratio: 4 / 3;
}

.teacher-body {
  gap: 0.85rem;
}

.booking-desk {
  border-radius: 24px;
  box-shadow: 0 16px 40px rgba(7, 22, 74, 0.08);
}

.booking-item {
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.95);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.booking-item:hover {
  transform: translateY(-2px);
  border-color: rgba(154, 92, 255, 0.24);
  box-shadow: 0 10px 24px rgba(7, 22, 74, 0.07);
}

.booking-item button,
.booking-item [data-pay] {
  flex-shrink: 0;
}

.booking-modal {
  width: min(720px, calc(100% - 1rem));
}

.modal-card {
  padding: 1.1rem;
  border-radius: 20px;
}

input,
select,
textarea {
  border-color: rgba(217, 222, 245, 0.95);
  box-shadow: inset 0 1px 2px rgba(7, 22, 74, 0.03);
}

button,
.primary-link,
.button-link {
  border-radius: 999px;
  padding: 0.85rem 1.15rem;
  box-shadow: 0 10px 24px rgba(154, 92, 255, 0.16);
}

.secondary-button {
  border-radius: 999px;
}

@media (max-width: 1050px) {
  .app-layout {
    grid-template-columns: 1fr;
  }

  .filters {
    position: static;
    order: 2;
  }

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

@media (max-width: 760px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.8rem 1rem;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
    border-radius: 14px;
    padding: 0.35rem;
  }

  .main-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.7rem 0.8rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    align-items: start;
    padding: 2rem 1rem 1.25rem;
  }

  .hero-copy {
    padding-right: 0;
  }

  .hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .hero p:not(.eyebrow) {
    font-size: 1rem;
  }

  .quick-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-inline: 1rem;
    margin-top: 0;
  }

  .quick-stats div {
    min-height: auto;
  }

  .app-layout {
    padding: 1rem 1rem 2rem;
    gap: 1rem;
  }

  .results-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .results-top label {
    width: 100%;
  }

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

  .teacher-title,
  .teacher-actions,
  .booking-item,
  .managed-profile {
    flex-direction: column;
    align-items: flex-start;
  }

  .booking-desk {
    margin: 0 1rem 2rem;
    padding: 1rem;
  }

  .booking-modal {
    width: calc(100% - 1rem);
  }

  .modal-card {
    padding: 1rem;
  }

  .calendar-day {
    min-height: 64px;
  }

  .admin-topline,
  .admin-list-item {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 520px) {
  .site-header,
  .hero,
  .app-layout,
  .booking-desk,
  .signup-shell,
  .contact-shell,
  .account-shell,
  .admin-shell {
    padding-inline: 0.8rem;
  }

  .main-nav {
    overflow-x: auto;
  }

  .main-nav a {
    padding: 0.65rem 0.72rem;
    font-size: 0.85rem;
  }

  .quick-stats {
    margin-inline: 0.8rem;
  }

  .teacher-grid {
    gap: 0.8rem;
  }

  .teacher-body {
    padding: 0.9rem;
  }

  .booking-item {
    padding: 0.85rem;
  }

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

  .admin-metrics {
    grid-template-columns: 1fr;
  }

  button,
  .primary-link,
  .button-link {
    width: 100%;
    justify-content: center;
  }

  .secondary-button {
    width: auto;
  }
}