.block {
  width: min(var(--max), calc(100% - 12vw));
  margin: 0 auto;
  display: grid;
  gap: var(--space-stack);
}
.narrow { max-width: 36rem; }
.page-week .block {
  width: min(1180px, calc(100% - 6vw));
}
.lead, .muted, .fine { color: var(--muted); margin: 0; }
.lead { font-size: 1.08rem; max-width: 40rem; }
.fine { font-size: 0.92rem; }
.fine a, .table-wrap a { color: var(--cyan); text-decoration: none; }
.table-wrap a:hover { text-decoration: underline; }

.flash {
  width: min(var(--max), calc(100% - 12vw));
  margin: 0 auto;
  padding: 0.85rem 1rem;
  border-radius: 12px;
}
.flash-ok { background: rgba(62, 232, 255, 0.12); color: var(--cyan); }
.flash-error { background: rgba(255, 58, 212, 0.12); color: #ff8ad8; }
.narrow .flash { width: 100%; }

.btn.small { padding: 0.55rem 0.9rem; font-size: 0.75rem; }
.btn-login {
  background: #3ee8ff;
  border-color: #3ee8ff;
  color: #05030a;
}
.btn-login:hover {
  background: #7af0ff;
  border-color: #7af0ff;
  color: #05030a;
}
.btn-yellow {
  background: #ffd84a;
  border-color: #ffd84a;
  color: #05030a;
}
.btn-yellow:hover {
  background: #ffe37a;
  border-color: #ffe37a;
  color: #05030a;
}
.btn-outline-red {
  background: transparent;
  border-color: #ff4d6d;
  color: #ff4d6d;
}
.btn-outline-red:hover {
  background: rgba(255, 77, 109, 0.12);
  border-color: #ff7a90;
  color: #ff7a90;
}

.card-form, .empty, .table-wrap {
  background: rgba(12, 8, 20, 0.72);
  border: 1px solid rgba(62, 232, 255, 0.18);
  border-radius: 24px;
}
.card-form {
  display: grid;
  gap: var(--space-stack);
  padding: var(--space-panel);
}
.block label, .block legend {
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.block input, .block textarea {
  width: 100%;
  border: 1px solid rgba(62, 232, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  text-transform: none;
  letter-spacing: 0;
}
.block input:focus, .block textarea:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}
fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.day-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.day-picks label { margin: 0; }
.day-picks input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.day-picks span {
  display: inline-flex;
  min-width: 3.4rem;
  justify-content: center;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(62, 232, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--silver);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.day-picks input:checked + span {
  color: #05030a;
  border-color: #3ee8ff;
  background: #3ee8ff;
}
.check { display: flex; align-items: center; gap: 0.55rem; text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-size: 0.95rem; }
.check input { width: auto; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-stack); }

.session-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-stack); }
.session-list .panel,
.block .panel.stack {
  display: flex;
  justify-content: space-between;
  gap: var(--space-stack);
  align-items: center;
  text-align: left;
}
.session-card {
  display: grid;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
}
.session-card h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}
.session-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.session-head p { margin: 0.15rem 0 0; }
.session-card .table-wrap {
  background: transparent;
  border: 0;
  border-radius: 0;
}
.session-card th,
.session-card td {
  padding: 0.45rem 0.55rem;
  white-space: nowrap;
}
.session-card th:last-child,
.session-card td:last-child { width: 8.5rem; text-align: right; }
.session-card .act-unenrol {
  font: inherit;
  color: #ff4d6d;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.session-card .act-unenrol:hover { color: #ff7a90; }
.add-student {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.7rem;
}
.add-student select {
  flex: 1 1 14rem;
  min-width: 12rem;
  width: auto;
  border: 1px solid rgba(62, 232, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  font: inherit;
  text-transform: none;
  letter-spacing: 0;
}
.add-student select:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}
.add-student .btn { margin: 0; }
.panel-side { display: grid; gap: 0.55rem; justify-items: end; text-align: right; }
.panel p { margin: 0.2rem 0 0; }
.count { color: var(--cyan); font-weight: 600; margin: 0; }
.tag {
  display: inline-block;
  color: #ff8ad8;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.empty { padding: 1.4rem; }
.row-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-stack);
  align-items: flex-start;
  flex-wrap: wrap;
}
.row-head.tight { align-items: center; }
.row-head .actions {
  margin-top: 0;
  justify-content: flex-end;
}

.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; table-layout: fixed; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  word-wrap: break-word;
}
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.table-wrap tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.students-table th.students-action,
.students-table td.students-action {
  width: 6.8rem;
  text-align: right;
  overflow: visible;
  padding-right: 0.75rem;
}
.students-table .students-action form { margin: 0; }
.students-table .students-action .btn { white-space: nowrap; }
.enrolled-table th.students-action,
.enrolled-table td.students-action {
  width: 6.2rem;
  text-align: right;
  overflow: visible;
  padding-right: 0.75rem;
}
.enrolled-table .students-action form { margin: 0; }
.enrolled-table .students-action .btn { white-space: nowrap; }
.ledger-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-stack);
  flex-wrap: wrap;
}
.ledger-head .lead { margin: 0; }
.concession-left {
  margin: 0.4rem 0 0;
  color: #fff;
}
.ledger-head .btn { flex-shrink: 0; }
.ledger-table th,
.ledger-table td {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ledger-table th:nth-child(1),
.ledger-table td:nth-child(1) { width: 8.6rem; }
.ledger-table th.ledger-split,
.ledger-table td.ledger-split { width: 6.6rem; }
.ledger-table th.ledger-signed,
.ledger-table td.ledger-signed { display: none; }
.ledger-table.ledger-admin th.ledger-action,
.ledger-table.ledger-admin td.ledger-action {
  width: 3rem;
  overflow: visible;
  padding-right: 0.55rem;
}
.ledger-action { text-align: right; vertical-align: middle; }
.ledger-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #ff4d6d;
  color: #fff;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 0 12px rgba(255, 77, 109, 0.35);
}
.ledger-remove:hover {
  background: #ff7a90;
  color: #fff;
}
.ledger-table tfoot td {
  border-top: 1px solid rgba(62, 232, 255, 0.22);
  font-weight: 700;
}
.ledger-balance-row td { color: var(--cyan); font-size: 1.05rem; }
.card-form h2 { margin: 0; }
.card-form .table-wrap,
.card-form .empty {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}
.card-form .muted { margin: 0; }
.modal-card .actions {
  justify-content: flex-end;
  margin-top: 0.35rem;
}
.modal-card .actions form { margin: 0; }

.cal-nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.cal-nav h2 { min-width: 12ch; text-align: center; margin: 0; }
.week {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0;
  align-items: stretch;
}
.week-day {
  padding: 0 0.85rem;
  display: grid;
  align-content: start;
  gap: 0.55rem;
  border-left: 1px solid rgba(62, 232, 255, 0.18);
}
.week-day:first-child { padding-left: 0; border-left: 0; }
.week-day:last-child { padding-right: 0; }
.week-day.today h3 { color: var(--cyan); }
.week-day header { display: grid; gap: 0.1rem; }
.week-day h3 {
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin: 0;
}
.week-day header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-body);
}
.week-class {
  position: relative;
  display: grid;
  gap: 0.2rem;
  padding: 0.65rem 0.6rem;
  border-radius: 12px;
  background: rgba(62, 232, 255, 0.1);
  border: 1px solid rgba(62, 232, 255, 0.22);
  overflow: hidden;
}
.week-class.cancelled strong,
.week-class.cancelled > span:not(.cancel-stamp),
.week-class.cancelled .week-when { opacity: 0.4; }
.cancel-stamp {
  position: absolute;
  inset: 0;
  margin: auto;
  width: max-content;
  height: max-content;
  padding: 0.12rem 0.45rem;
  border: 2px solid #ff4d6d;
  border-radius: 5px;
  color: #ff4d6d;
  background: rgba(8, 4, 8, 0.88);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  transform: rotate(-18deg);
  box-shadow: 0 0 16px rgba(255, 77, 109, 0.28);
  pointer-events: none;
}
.week-class.in {
  background: rgba(62, 232, 255, 0.16);
  border-color: rgba(62, 232, 255, 0.45);
}
.week-class strong { color: #fff; font-size: 0.95rem; }
.week-class span { color: var(--silver); font-size: 0.85rem; text-transform: none; letter-spacing: 0; font-family: var(--font-body); }
.week-when {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0;
}
.week-duration {
  color: var(--muted) !important;
  font-size: 0.82rem !important;
  font-weight: 400;
}
.week-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.15rem 0 0;
}
.week-actions form { display: contents; }
.week-class a,
.week-class button {
  font: inherit;
  color: var(--cyan);
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  text-align: left;
  text-transform: none;
  letter-spacing: 0;
}
.week-class button:hover,
.week-class a:hover { color: #7af0ff; }
.week-class .act-enrol,
.week-class .act-enrol:hover { color: #ffd84a; }
.week-class .act-unenrol,
.week-class .act-unenrol:hover { color: #ff4d6d; }
.week-price {
  margin: 0.12rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.3;
}
.modal {
  border: 0;
  padding: 0;
  background: transparent;
  max-width: min(28rem, calc(100vw - 2rem));
}
.modal::backdrop { background: rgba(0, 0, 0, 0.72); }
.modal-card {
  display: grid;
  gap: 0.85rem;
  padding: 1.4rem;
  border-radius: 24px;
  border: 1px solid rgba(62, 232, 255, 0.18);
  background: #0c0814;
  color: var(--silver);
  text-align: left;
}
.modal-card h2 { font-size: 1.7rem; margin: 0; }
.modal-card p { margin: 0; text-transform: none; letter-spacing: 0; font-family: var(--font-body); }
.show-narrow { display: none; }

@media (max-width: 900px) {
  .page-week .block { width: min(var(--max), calc(100% - 8vw)); }
  .session-list .panel, .row-head { display: grid; }
  .panel-side { justify-items: start; text-align: left; }
  .split { grid-template-columns: 1fr; }
  .cal-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    gap: 0.5rem 0.65rem;
    align-items: center;
  }
  .cal-nav h2 {
    grid-column: 1 / -1;
    min-width: 0;
    font-size: 1.15rem;
    order: -1;
  }
  .cal-nav .btn { width: 100%; }
  .show-wide { display: none; }
  .show-narrow { display: inline; }
  .week { grid-template-columns: 1fr; }
  .week-day {
    min-height: 0;
    border-left: 0;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(62, 232, 255, 0.18);
  }
  .week-day:first-child { padding-top: 0; padding-left: 0; }
  .week-day:last-child { border-bottom: 0; padding-bottom: 0; }
  .week-class { padding: 0.8rem 0.85rem; }
  .week-class strong { font-size: 1rem; }
  .week-class span { font-size: 0.92rem; }
  .week-price { font-size: 0.8rem; }

  .ledger-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
    border-radius: 0;
    padding: 0;
  }
  .ledger-table { table-layout: auto; }
  .ledger-table thead,
  .ledger-table tbody,
  .ledger-table tfoot,
  .ledger-table tr,
  .ledger-table th,
  .ledger-table td { display: block; width: auto; }
  .ledger-table th.ledger-split,
  .ledger-table td.ledger-split { display: none; }
  .ledger-table th.ledger-signed,
  .ledger-table td.ledger-signed { display: block; }
  .ledger-table thead tr,
  .ledger-table tbody tr,
  .ledger-table tfoot tr {
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: 0.75rem;
    row-gap: 0.25rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .ledger-table.ledger-admin thead tr,
  .ledger-table.ledger-admin tbody tr {
    grid-template-columns: 1fr auto 2.4rem;
  }
  .ledger-table tbody tr:last-child { border-bottom: 0; }
  .ledger-table tfoot tr {
    border-top: 1px solid rgba(62, 232, 255, 0.22);
    border-bottom: 0;
  }
  .ledger-table tfoot td { border-top: 0; }
  .ledger-table th,
  .ledger-table td {
    white-space: nowrap;
    overflow: visible;
    text-overflow: unset;
    width: auto !important;
    padding: 0;
    border-bottom: 0;
  }
  .ledger-table thead th:nth-child(2) { display: none; }
  .ledger-table tbody td:nth-child(1) { grid-column: 1; grid-row: 1; }
  .ledger-table tbody td.ledger-details {
    grid-column: 1 / -1;
    grid-row: 2;
    white-space: normal;
    color: var(--muted);
    font-size: 0.92rem;
  }
  .ledger-table tbody td.ledger-signed { grid-column: 2; grid-row: 1; }
  .ledger-table.ledger-admin tbody td.ledger-action {
    grid-column: 3;
    grid-row: 1;
    width: 2.4rem !important;
  }
  .ledger-table thead th:nth-child(1) { grid-column: 1; }
  .ledger-table thead th.ledger-signed { grid-column: 2; }
  .ledger-table.ledger-admin thead th.ledger-action { grid-column: 3; }
  .ledger-table tfoot tr { align-items: center; }
  .ledger-table tfoot td.ledger-balance-label {
    display: block;
    grid-column: 1;
    grid-row: 1;
    white-space: normal;
  }
  .ledger-table tfoot td.ledger-signed {
    grid-column: 2;
    grid-row: 1;
  }
  .ledger-table tfoot td.ledger-action { display: none; }
}

@media (max-width: 560px) {
  .page-week .block { width: calc(100% - 1.5rem); }
  .cal-nav h2 { font-size: 1.05rem; }
}