:root {
  --bg: #f4efe7;
  --panel: rgba(255, 252, 247, 0.88);
  --panel-strong: #fffaf2;
  --line: rgba(99, 77, 53, 0.15);
  --text: #32251a;
  --muted: #7f6b59;
  --accent: #c96f4a;
  --accent-dark: #9f5232;
  --accent-soft: #f5d1ba;
  --success: #2f7d5b;
  --shadow: 0 24px 60px rgba(86, 57, 33, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Outfit", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(201, 111, 74, 0.16), transparent 30%),
    radial-gradient(circle at bottom right, rgba(236, 184, 118, 0.18), transparent 24%),
    linear-gradient(160deg, #f8f2ea 0%, #efe6db 100%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  margin-bottom: 24px;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 38px;
}

.eyebrow,
.section-kicker,
.hero-card-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Prata", serif;
  font-weight: 400;
}

h1 {
  font-size: clamp(2.6rem, 6vw, 4.7rem);
  line-height: 1.02;
  max-width: 10ch;
}

.hero-text,
#next-booking-detail,
.selection-summary p,
.teacher-spotlight p,
.booking-meta {
  color: var(--muted);
  line-height: 1.6;
}

.hero-text {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 1rem;
}

.hero-card {
  padding: 28px;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(145deg, rgba(255, 250, 242, 0.95), rgba(250, 231, 210, 0.95));
}

.hero-card h2 {
  margin-bottom: 12px;
  font-size: 1.9rem;
}

.dashboard {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 24px;
}

.auth-panel {
  margin-bottom: 24px;
}

[hidden] {
  display: none !important;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-button {
  margin-top: 8px;
}

.panel {
  padding: 28px;
}

.panel-heading {
  margin-bottom: 18px;
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span {
  font-size: 0.92rem;
  font-weight: 500;
}

select,
input,
button {
  font: inherit;
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 16px;
}

.teacher-spotlight,
.selection-summary,
.booking-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel-strong);
}

.teacher-spotlight {
  margin-top: 18px;
  padding: 22px;
}

.teacher-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.teacher-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

.slots-heading,
.reservations-heading {
  margin-top: 28px;
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 12px;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.payment-option {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.payment-option span,
.payment-option small {
  margin-top: 4px;
  color: var(--muted);
}

.payment-option.selected {
  background: linear-gradient(180deg, #d98059 0%, #c96f4a 100%);
  color: #fff;
  box-shadow: 0 18px 26px rgba(201, 111, 74, 0.28);
}

.payment-option.selected span,
.payment-option.selected small {
  color: rgba(255, 255, 255, 0.86);
}

.pay-button {
  margin-top: 0;
}

.slot-button,
.primary-button,
.secondary-button {
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.slot-button {
  padding: 16px 12px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
  text-align: left;
}

.slot-button strong,
.slot-button span {
  display: block;
}

.slot-button span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.84rem;
}

.slot-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.slot-button.selected {
  background: linear-gradient(180deg, #d98059 0%, #c96f4a 100%);
  color: #fff;
  box-shadow: 0 18px 26px rgba(201, 111, 74, 0.28);
}

.slot-button.selected span {
  color: rgba(255, 255, 255, 0.84);
}

.slot-button.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.selection-summary {
  padding: 20px;
  min-height: 130px;
}

.credits-banner {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 248, 240, 0.92);
  color: var(--text);
  line-height: 1.5;
}

.credits-banner p {
  margin: 0;
}

.credits-banner p + p {
  margin-top: 6px;
  color: var(--muted);
}

.credits-banner.is-positive {
  border-color: rgba(47, 125, 91, 0.24);
  background: rgba(234, 247, 240, 0.96);
}

.credits-banner.is-warning {
  border-color: rgba(159, 82, 50, 0.28);
  background: rgba(251, 235, 226, 0.96);
}

.status-banner {
  display: none;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 248, 240, 0.92);
  color: var(--text);
  line-height: 1.5;
}

.status-banner.is-visible {
  display: block;
}

.status-banner.is-error {
  border-color: rgba(159, 82, 50, 0.28);
  background: rgba(251, 235, 226, 0.96);
  color: #7f2f19;
}

.status-banner.is-success {
  border-color: rgba(47, 125, 91, 0.24);
  background: rgba(234, 247, 240, 0.96);
  color: var(--success);
}

.summary-highlight {
  color: var(--success);
  font-weight: 600;
}

.primary-button,
.secondary-button {
  width: 100%;
  padding: 15px 18px;
  font-weight: 600;
}

.primary-button {
  margin-top: 16px;
  background: linear-gradient(180deg, #d98059 0%, #c25d35 100%);
  color: #fff;
  box-shadow: 0 16px 24px rgba(194, 93, 53, 0.24);
}

.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.bookings-list {
  display: grid;
  gap: 12px;
}

.session-actions {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.viewer-badge {
  padding: 9px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.84rem;
  font-weight: 600;
}

.booking-card {
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
}

.booking-card h3 {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.secondary-button {
  width: auto;
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid rgba(201, 111, 74, 0.32);
}

.empty-state {
  margin: 0;
  padding: 20px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 20px;
}

@media (max-width: 920px) {
  .hero,
  .dashboard,
  .auth-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 100%);
    padding-top: 20px;
  }

  .hero-copy,
  .hero-card,
  .panel {
    padding: 20px;
    border-radius: 22px;
  }

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

  h1 {
    font-size: 2.5rem;
  }

  .session-actions,
  .booking-card {
    grid-template-columns: 1fr;
    display: grid;
  }

  .session-actions {
    justify-content: stretch;
  }

  .secondary-button,
  .primary-button,
  .auth-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-copy,
  .hero-card,
  .panel {
    padding: 18px;
  }

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

  .teacher-topline {
    flex-direction: column;
    align-items: flex-start;
  }
}