:root {
  --bg: #f5f5f5;
  --card: #ffffff;
  --ink: #222222;
  --muted: #666666;
  --brand: #5bb84d;
  --brand-hover: #4ea642;
  --brand-soft: #eaf8d8;
  --lilac: #f3eaff;
  --lilac-ink: #6d5b8c;
  --lilac-page: #faf8ff;
  --lilac-line: #eadff5;
  --lilac-line-strong: #e4d7f8;
  --lilac-wash: #f6f0fb;
  --lilac-ink-soft: #5c5470;
  --lilac-ink-on: #5a4a7a;
  --lilac-muted: #7a7488;
  --lilac-chip-on: #d4c4f0;
  --lilac-icon: #8b74c8;
  --sun: #fff6cc;
  --sun-ink: #8a7020;
  --rose: #ffe4ec;
  --rose-ink: #a14d68;
  --peach: #ffe4cc;
  --peach-ink: #b86a2d;
  --sky: #e8f3ff;
  --line: #e5e7eb;
  --grid-line: #f1f5f9;
  --grid-line-soft: #f8fafc;
  --danger: #e35b5b;
  --ok: #3d7a2e;
  --ok-bg: #eaf8d8;
  --warn: #8a7020;
  --warn-bg: #fff6cc;
  --bad: #991b1b;
  --bad-bg: #fee2e2;
  --plan-bg: #f3f4f6;
  --focus: #5bb84d;
  --teacher-fallback: #8b5cf6;
  --radius: 10px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, sans-serif;
  line-height: 1.45;
}

.container {
  max-width: 1800px;
  margin: 0 auto;
  padding: 16px;
}

.page-title {
  margin: 4px 0 16px;
}

/* === Header === */
.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
}
.spacer { flex: 1; }
.hello {
  color: var(--muted);
  font-size: 0.95rem;
}

/* === Alerts === */
.alert {
  background: var(--sky);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 8px;
  margin: 10px 0;
}
.alert.debug,
.alert.info { background: var(--sky); }
.alert.success {
  background: var(--ok-bg);
  border-color: #cfe8b8;
  color: var(--ok);
}
.alert.warning {
  background: var(--warn-bg);
  border-color: #f0e09a;
  color: var(--warn);
}
.alert.error {
  background: var(--bad-bg);
  border-color: #f5cfc8;
  color: var(--bad);
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius);
  text-decoration: none;
  background: var(--brand);
  color: #fff;
  border: 0;
  cursor: pointer;
  font: inherit;
  line-height: 1.2;
}
.btn:hover {
  background: var(--brand-hover);
}
.btn:focus-visible,
.icon-btn:focus-visible,
.tab-btn:focus-visible,
.lesson-chip:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.btn--sm {
  font-size: 0.875rem;
  padding: 6px 12px;
}
.btn--primary {
  background: var(--brand);
  color: #fff;
  border: 0;
}
.btn--primary:hover {
  background: var(--brand-hover);
}
.btn--rose {
  background: var(--rose);
  color: var(--rose-ink);
  border: 1px solid #f5c5d4;
}
.btn--rose:hover { background: #ffd6e2; }
.btn--peach {
  background: var(--peach);
  color: var(--peach-ink);
  border: 1px solid #f3d0ae;
}
.btn--peach:hover { background: #ffd7b3; }
.btn--secondary {
  background: var(--sun);
  border: 1px solid #f0e09a;
  color: var(--sun-ink);
}
.btn--secondary:hover {
  background: #ffe99a;
  border-color: #e8d070;
}
.btn--ghost {
  background: var(--lilac);
  color: var(--lilac-ink);
  border: 1px solid var(--line);
}
.btn--ghost:hover {
  background: #ebe0ff;
}
.btn--danger {
  background: #ffe6e0;
  color: #c45b5b;
  border: 1px solid #f5cfc8;
}
.btn--danger:hover {
  background: #ffd8d0;
}
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  color: var(--icon-ink, var(--lilac-icon));
  background: var(--icon-bg, var(--lilac));
  vertical-align: middle;
  flex: 0 0 auto;
}
.icon-btn svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon-btn--edit { --icon-bg: var(--lilac); --icon-ink: var(--lilac-icon); }
.icon-btn--archive { --icon-bg: #fff4cc; --icon-ink: #d4a017; }
.icon-btn--delete { --icon-bg: #ffe6e0; --icon-ink: #e07a6c; }
.icon-btn--rates { --icon-bg: #eaf3ff; --icon-ink: #6a8fd4; }
.icon-btn--ok { --icon-bg: #e8f8d4; --icon-ink: #6aaa3c; }
.icon-btn--plan { --icon-bg: var(--plan-bg); --icon-ink: #555; }
.icon-btn--warn { --icon-bg: var(--warn-bg); --icon-ink: var(--warn); }
.icon-btn .chip-ico {
  font-size: 13px;
  line-height: 1;
  opacity: 1;
}
.icon-btn--add { --icon-bg: var(--brand-soft); --icon-ink: var(--ok); }
.icon-btn:hover { filter: brightness(0.97); }
.icon-btn.is-disabled,
.icon-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}
.icon-row {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.icon-row form { margin: 0; display: inline-flex; }
.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  color: inherit;
}
.btn-icon:hover { background: rgba(0, 0, 0, 0.08); }
.icon { width: 18px; height: 18px; display: inline-block; }

/* === Forms === */
.auth-wrapper {
  background: var(--card);
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06);
  max-width: 420px;
}
.form-group {
  margin-bottom: 12px;
}
.form-error {
  color: var(--danger);
  font-size: 0.9em;
  margin-top: 4px;
  display: block;
}
input.error,
textarea.error,
select.error {
  border-color: var(--danger);
  outline: none;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="month"],
input[type="time"],
input[type="tel"],
input[type="search"],
select,
textarea,
.form-control,
.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font: inherit;
  color: inherit;
}
.mt { margin-top: 10px; }
.mt-xxs { margin-top: 4px; }

.card > .mt {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.card > .mt input[type="text"] {
  width: auto;
  flex: 1 1 220px;
  max-width: 360px;
}

.panel-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0 12px;
}
.panel-toolbar .input--search {
  flex: 1 1 220px;
  max-width: 360px;
}
.panel-actions-left { order: 1; }
.panel-actions-right { order: 2; margin-left: auto; }
.input--search {
  width: auto;
  min-width: 220px;
  max-width: 360px;
}

.choice-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.label-strong { font-weight: 600; }
.form-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.modal--wide-form .form-two-cols {
  grid-template-columns: 1.2fr 1fr;
}
.form-left,
.form-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-left > p { margin: 0; }
.days-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}
.day-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.day-line input[type="time"] {
  width: 110px;
}

/* === Tabs === */
.tabs { background: transparent; }
.tabs-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.app-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  padding-top: 4px;
}
.tab-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-bottom: none;
  padding: 8px 12px;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  cursor: pointer;
  font: inherit;
  color: var(--lilac-ink);
  text-decoration: none;
}
.tab-btn[aria-selected="true"] {
  background: var(--card);
  border-color: var(--brand);
  color: var(--ink);
  font-weight: 600;
}
.tabs-panels {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  padding: 16px;
}

/* === Cards and layout === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}
.grid--split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
  align-items: start;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .04);
}
.card h3 { margin: 0 0 8px; }
.card--compact { padding: 12px; }

.dash-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.dash-cols {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.dash-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: max-content;
  max-width: 100%;
}
.dash-date { margin: 0 0 6px; font-size: 13px; }
.dash-lessons {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.dash-today,
.dash-overdue {
  width: calc(3.25rem + 10.5rem + 26px + 16px + 12px);
  max-width: 100%;
}
.dash-today__h { margin-top: 14px; }
.dash-lesson {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr) 26px;
  column-gap: 8px;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  padding: 3px 6px;
  border-radius: 8px;
  background: var(--sky);
  font-size: 13px;
  line-height: 1.3;
}
.dash-overdue .dash-lesson {
  grid-template-columns: 5.5rem minmax(0, 1fr) 26px;
}
.dash-lesson--plan { background: var(--sun); }
.dash-lesson--done { background: var(--ok-bg); }
.dash-lesson__time {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  font-weight: 600;
  font-size: 13px;
}
.dash-lesson .icon-btn {
  width: 26px;
  height: 26px;
  margin: 0;
}
.dash-lesson__who,
a.dash-lesson__who {
  display: block;
  min-width: 0;
  width: 100%;
  font-weight: 600;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dash-lesson__who a,
a.dash-lesson__who,
.dash-lesson .muted a {
  color: inherit;
  text-decoration: none;
}
.dash-lesson__who a:hover,
a.dash-lesson__who:hover { text-decoration: underline; }
.dash-lesson__meta {
  flex: 0 0 auto;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.dash-signals { min-width: 0; font-size: 13px; overflow: visible; }
.dash-signals h3,
.dash-signals__top h3 {
  margin: 0 0 8px;
  font-size: 1.17rem;
  font-weight: 700;
  line-height: 1.25;
}
.dash-signals .dash-lessons { gap: 2px; }
.dash-signals .dash-lesson {
  grid-template-columns: minmax(0, 1fr) auto;
  width: 100%;
  padding: 3px 6px;
  line-height: 1.3;
}
.dash-signals .dash-lesson__who,
.dash-signals a.dash-lesson__who {
  line-height: 1.3;
}
.dash-signals__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
.dash-signals__top h3 { margin: 0 0 8px; }
.dash-signals__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}
.dash-signals__cols > div { min-width: 0; }
.dash-signals__cols > div:nth-child(1) .dash-lesson { background: var(--lilac); }
.dash-signals__cols > div:nth-child(2) .dash-lesson { background: var(--sky); }
.dash-signals__cols > div:nth-child(3) .dash-lesson { background: var(--brand-soft); }
.dash-stats .fin-stat:nth-child(1) { background: var(--sky); }
.dash-stats .fin-stat:nth-child(2) { background: var(--lilac); }
.dash-stats .fin-stat:nth-child(3) { background: var(--sun); }
.dash-stats .fin-stat:nth-child(4) { background: var(--brand-soft); }
.dash-stats .fin-stat:nth-child(5) { background: var(--peach); }
.dash-debt {
  color: var(--bad);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.dash-sub { margin: 8px 0 4px; font-size: 13px; font-weight: 700; }
.dash-more {
  margin-left: 8px;
  font-size: 13px;
  color: var(--ok);
}
.pill--ok {
  background: var(--ok-bg);
  border-color: #cfe8b8;
  color: var(--ok);
}
@media (max-width: 860px) {
  .dash-cols,
  .dash-signals__cols { grid-template-columns: 1fr; }
}

.card-subtitle { margin: 0 0 8px; font-size: 1rem; }
.list { margin: 0; padding-left: 18px; }
.muted { color: var(--muted); }
.muted--sm { font-size: 12px; }
.is-hidden { display: none !important; }
.nav-form { display: inline; }
.text-right { text-align: right; }

.pill {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--plan-bg);
  border: 1px solid var(--line);
  font-size: 12px;
}
a.pill {
  text-decoration: none;
  color: inherit;
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  background: var(--plan-bg);
  color: var(--ink);
}
.badge--green {
  background: var(--ok-bg);
  color: var(--ok);
}
.badge--gray {
  background: var(--plan-bg);
  color: var(--muted);
}

/* === Modal (overlay + dialog) === */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
}
.modal--open {
  display: block;
}
.modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
}
.modal__dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  background: var(--card);
  padding: clamp(14px, 2.4vw, 24px);
  border-radius: 14px;
  width: min(96vw, 480px);
  max-width: 96vw;
  max-height: min(90vh, calc(100dvh - 16px));
  min-width: 0;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.modal__dialog:focus {
  outline: none;
}
.modal__dialog--wide {
  width: min(92vw, 720px);
}
.modal__dialog--xl {
  width: min(94vw, 920px);
}
.modal__header { margin-bottom: 12px; flex: 0 0 auto; }
.modal__header h2 { margin: 0; font-size: 1.25rem; }
.modal__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
  flex: 0 0 auto;
}
.lc-footer {
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.lc-footer-left,
.lc-footer-right {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.modal label {
  font-size: 13px;
}
.modal input[type="text"],
.modal input[type="password"],
.modal input[type="email"],
.modal input[type="number"],
.modal input[type="date"],
.modal input[type="time"],
.modal input[type="tel"],
.modal input[type="search"],
.modal select,
.modal textarea {
  padding: 6px 8px;
  font-size: 13px;
  line-height: 1.3;
}
.modal input[type="date"],
.modal input[type="time"] {
  padding: 4px 6px;
  font-size: 12px;
  min-height: 30px;
  width: auto;
  max-width: 100%;
}
.modal input[type="date"]::-webkit-calendar-picker-indicator,
.modal input[type="time"]::-webkit-calendar-picker-indicator {
  transform: scale(0.78);
  cursor: pointer;
}
.modal .table th,
.modal .table td {
  padding: 6px 8px;
  font-size: 13px;
}
.modal .btn--sm {
  padding: 4px 8px;
  font-size: 12px;
}

.form-error:empty,
.alert:empty { display: none; }

#lessonModal .modal__dialog,
#lessonStudentModal .modal__dialog,
.modal--wide-form .modal__dialog {
  width: min(96vw, 820px);
  max-width: 96vw;
}
#lessonConfirmModal .modal__dialog {
  width: min(94vw, 920px);
  max-width: 96vw;
}
#modalGroupMembers .modal__dialog {
  width: min(96vw, 560px);
  max-width: 96vw;
}
@media (max-width: 720px) {
  .modal--wide-form .form-two-cols {
    grid-template-columns: 1fr;
  }
}

#modalGroupMembers .member {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 4px 0;
}
#modalGroupMembers .member .name {
  font-weight: 600;
  flex: 1 1 auto;
  min-width: 160px;
}
#modalGroupMembers .member .meta { color: var(--muted); }
#modalGroupMembers .member .actions { display: flex; gap: 6px; }
#modalGroupMembers .editor {
  display: none;
  width: 100%;
  margin-top: 8px;
  gap: 8px;
  grid-template-columns: 1fr;
}
#modalGroupMembers .editor.is-open { display: grid; }
@media (min-width: 520px) {
  #modalGroupMembers .editor {
    grid-template-columns: 1fr 1fr;
  }
}
#modalGroupMembers .editor input[type="date"] {
  width: 100%;
  min-width: 0;
}
#modalGroupMembers .editor__actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 2px;
}

/* === Tables === */
.table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  word-wrap: break-word;
  text-align: left;
}
.table th + th,
.table td + td {
  border-left: 1px solid var(--line);
}
.table thead th {
  background: #f8f8f8;
  color: var(--ink);
  font-weight: 600;
}
.table tbody tr:hover {
  background: #fafbfc;
}
.table tbody tr.table-row--hit { cursor: pointer; }
.table th[data-sort] {
  cursor: pointer;
  user-select: none;
}
.table th.sorted-asc::after { content: " ↑"; font-size: 12px; }
.table th.sorted-desc::after { content: " ↓"; font-size: 12px; }

.table-actions {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
}
.table td form {
  display: inline;
  margin: 0;
}

/* === Groups === */
.kv {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 12px;
  row-gap: 6px;
}
.kv > li { display: contents; }
.kv .k { color: var(--muted); }

.list-plain {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.member {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.member .name { font-weight: 600; }
.member .meta { color: var(--muted); font-size: .9rem; }

/* === Groups === */
.page-form {
  max-width: 640px;
}
.page-form .mt {
  display: flex;
  gap: 10px;
  align-items: center;
}
.color-swatch {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--line);
  vertical-align: middle;
  margin-right: 6px;
}
.tabs-panels > .card {
  border: none;
  box-shadow: none;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.sd-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.sd-wrap--teacher {
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.28fr);
  align-items: start;
}
.sd-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.pay-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
@media (max-width: 1000px) {
  .pay-two-col { grid-template-columns: 1fr; }
}
@media (max-width: 1000px) {
  .sd-wrap,
  .sd-wrap--teacher { grid-template-columns: 1fr; }
}
.sd-card-body { padding: 0; }
.sd-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.sd-card-head h3 { margin: 0; }
.sd-card-title { margin: 0 0 8px; }
.sd-profile {
  display: flex;
  gap: 16px;
  align-items: center;
}
.sd-avatar {
  width: 80px;
  height: 80px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 50%;
  flex: 0 0 auto;
}
.sd-name { font-size: 18px; font-weight: 600; }
.sd-tags {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.sd-tags--gap { margin-top: 12px; }
.sd-meta {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 6px;
}
.sd-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}
.sd-actions--tight { margin-top: 12px; }
.sd-stack > .card.sd-card + .card.sd-card { margin-top: 0; }
.card.sd-card + .card.sd-card { margin-top: 12px; }
.sd-sub-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}
.sd-sub-stats > div {
  border-radius: 10px;
  padding: 8px 10px;
  background: #f6f6f6;
}
.sd-sub-stats span { color: var(--muted); }
.is-debt { color: var(--bad); font-weight: 600; }
.sd-topups .muted { margin-bottom: 6px; }
.sd-topup-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 3px 0;
  color: var(--lilac-ink-soft);
  flex-wrap: wrap;
}
.sd-topup-actions,
.fin-entry-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: nowrap;
  justify-content: flex-end;
}
.fin-inline-form { display: inline; }
.fin-page {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.fin-page__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.fin-month {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0;
  flex-wrap: wrap;
}
.fin-month input[type="number"] {
  width: 7.5rem;
}
.fin-scope {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}
.fin-scope label {
  display: flex;
  gap: 4px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--ink);
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.fin-forecast__hint {
  margin: 0 0 8px;
  font-size: 0.82rem;
}
.fin-forecast .fin-stat--delta {
  background: var(--peach);
}
.fin-col.fin-forecast .fin-h { background: var(--sun); }
.fin-forecast__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
}
.fin-forecast__sub {
  margin: 12px 0 6px;
  font-size: 0.88rem;
  font-weight: 650;
}
.fin-teacher + .fin-teacher {
  margin-top: 8px;
}
.fin-teacher .fin-forecast__sub {
  margin: 8px 0 6px;
}
.fin-forecast__form {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  min-width: 0;
}
.fin-forecast__form input[type="month"],
.fin-forecast__form input[type="date"] {
  width: 8.6rem;
  min-width: 0;
  font-size: 0.8rem;
  padding: 4px 6px;
}
.fin-forecast__form input[type="number"] {
  width: 5.2rem;
  font-size: 0.8rem;
  padding: 4px 6px;
}
.fin-forecast__form .fin-scope {
  gap: 6px;
  flex-shrink: 0;
}
.fin-forecast__form .fin-scope label {
  font-size: 0.8rem;
  gap: 3px;
}
.fin-forecast__form .btn {
  padding: 4px 8px;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.fin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}
.fin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}
.fin-layout__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.fin-ops {
  min-width: 0;
  overflow: hidden;
}
.fin-ops .table-scroll {
  overflow-x: auto;
}
.fin-ops .table {
  table-layout: fixed;
  width: 100%;
}
.fin-ops .table th,
.fin-ops .table td {
  vertical-align: middle;
  font-size: 0.8rem;
  padding: 7px 10px;
  font-weight: 400;
}
.fin-ops .table thead th {
  color: var(--muted);
  font-weight: 500;
  background: transparent;
}
.fin-ops .table td:nth-child(2) {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--ink);
  white-space: nowrap;
}
.fin-ops .table th:nth-child(1),
.fin-ops .table td:nth-child(1) { width: 78px; white-space: nowrap; }
.fin-ops .table th:nth-child(2),
.fin-ops .table td:nth-child(2) { width: 88px; white-space: nowrap; }
.fin-ops .table th:nth-child(3),
.fin-ops .table td:nth-child(3) { width: 92px; white-space: nowrap; }
.fin-ops .table th:nth-child(5),
.fin-ops .table td:nth-child(5) { width: 72px; }
.fin-ops__note {
  overflow: hidden;
  text-overflow: ellipsis;
}
.fin-ops .fin-entry-actions {
  flex-wrap: nowrap;
  justify-content: flex-end;
}
.fin-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
  align-items: start;
}
.fin-col {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 10px;
}
.fin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.fin-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  border: 0;
  border-radius: 8px;
  padding: 7px 10px;
  background: var(--sky);
}
.fin-stat span {
  color: var(--muted);
  font-size: 0.8rem;
}
.fin-stat strong {
  font-size: 0.95rem;
  white-space: nowrap;
  color: var(--ink);
}
.fin-h {
  margin: 0 0 8px;
  font-size: 0.95rem;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--ink);
}
.fin-col:nth-child(2) .fin-h { background: var(--lilac); }
@media (max-width: 720px) {
  .fin-layout { grid-template-columns: 1fr; }
  .fin-cols { grid-template-columns: 1fr; }
}
.rate-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  gap: 10px;
  align-items: end;
}
.lm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.lm-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 10px;
  margin-top: 8px;
}
.lc-scope {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--sun);
}
.lc-scope p { margin: 0 0 10px; }
.lc-scope-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.rate-form-heading {
  margin: 14px 0 8px;
  font-weight: 600;
  font-size: 14px;
}
.rate-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  grid-column: 1 / -1;
}
.rate-row-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}
.rate-row-actions form { margin: 0; }
.rate-form .btn { justify-self: start; }
.rate-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.rate-dates input[type="date"] {
  width: 7.6rem;
  flex: 0 0 auto;
  font-size: 12px;
  padding: 3px 6px;
  min-height: 28px;
}
.table-scroll {
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}
.table-scroll .table {
  table-layout: auto;
}
@media (max-width: 760px) {
  .rate-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .rate-form .btn { grid-column: 1 / -1; }
  .rate-form-actions { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .rate-form { grid-template-columns: 1fr; }
}
.sd-progress {
  height: 10px;
  background: var(--plan-bg);
  border-radius: 999px;
  margin-top: 12px;
  overflow: hidden;
}
.sd-progress-bar {
  display: block;
  height: 100%;
  background: var(--brand);
  width: calc(100% + var(--rem-neg, 0%));
}
.sd-progress-label { font-size: 12px; margin-top: 4px; }
.sd-sub-form {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  align-items: center;
}
.sd-sub-form select { width: auto; flex: 1; }
.sd-pack-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.sd-pack-close { display: inline; margin: 0; }
.sd-pack-close__btn {
  border: 0;
  background: transparent;
  padding: 0 2px;
  margin: 0;
  cursor: pointer;
  font: inherit;
  line-height: 1;
  color: inherit;
  opacity: 0.55;
}
.sd-pack-close__btn:hover { opacity: 1; }
.sd-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 0 12px;
}
.sd-card-head.sd-toolbar {
  padding-bottom: 12px;
  margin-bottom: 0;
}
.sd-lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 6px;
  margin-top: 8px;
}
.sd-split {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
}
@media (max-width: 1000px) {
  .sd-split { grid-template-columns: 1fr; }
}
.sd-side {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 12px;
}
.sd-side-rule {
  margin: 12px 0;
  border: none;
  border-top: 1px solid var(--line);
}
.sd-side-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.sd-side-form label { font-size: 12px; }
.sd-side-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.lesson-chip {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  cursor: pointer;
  font-size: 12px;
  line-height: 1.2;
}
.lesson-chip:hover {
  border-color: #d1d5db;
}
.lesson-chip.chip--selected,
.lesson-chip.chip--active,
.lesson-chip.is-selected {
  border-color: var(--brand);
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}
.lesson-chip.chip--ok { background: var(--ok-bg); color: var(--ok); }
.lesson-chip.chip--bad { background: var(--bad-bg); color: var(--bad); }
.lesson-chip.chip--warn { background: var(--warn-bg); color: var(--warn); }
.lesson-chip.chip--plan { background: var(--plan-bg); color: var(--ink); }

.chip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}
.chip-time { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 12px; }
.chip-day { text-transform: lowercase; opacity: .9; font-size: 11px; }
.chip-date { opacity: .9; font-size: 11px; }
.chip-ico { opacity: .95; font-size: 11px; }

.td-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.28fr);
  gap: 16px;
  align-items: start;
}
.td-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.nb-card { min-width: 0; }
.nb-head { align-items: flex-start; }
.nb-week-range { margin: 4px 0 0; }
.nb-week-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
}
.nb-week-nav__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}
.nb-book {
  margin-top: 4px;
}
.nb-day {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 8px;
  padding: 2px 0;
  border-bottom: 1px dashed var(--lilac-line);
}
.nb-day:last-child { border-bottom: 0; }
.nb-anchor {
  display: flex;
  justify-content: center;
  padding-top: 2px;
}
.nb-bubble {
  width: 32px;
  height: 32px;
  border-radius: 48% 42% 50% 44%;
  background: var(--lilac);
  color: var(--lilac-icon);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 11px;
  box-shadow: 0 0 0 1px var(--lilac-line-strong) inset;
}
.nb-day--today .nb-bubble {
  box-shadow: 0 0 0 2px #cbb6ec;
}
.nb-body { min-width: 0; padding-top: 0; }
.nb-row {
  display: grid;
  grid-template-columns: 6.8rem minmax(0, 1fr) 26px;
  gap: 6px 8px;
  align-items: start;
  padding: 4px 0;
  min-height: 0;
}
.nb-row + .nb-row { border-top: 0; }
.nb-row--done { opacity: 1; }
.nb-row--done .nb-time,
.nb-row--done .nb-who { color: #1a1a1a; }
.nb-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: #1a1a1a;
  white-space: nowrap;
  padding-top: 3px;
  font-size: 14px;
  line-height: 1.25;
}
.nb-who {
  padding-top: 2px;
  color: #1a1a1a;
  font-size: 14px;
  line-height: 1.25;
}
.nb-teacher { color: #1a1a1a; font-weight: 600; margin-bottom: 2px; }
.nb-group-label {
  color: #1a1a1a;
  font-weight: 400;
  font-size: 14px;
}
.nb-names {
  margin: 3px 0 2px;
  padding-left: 1rem;
  color: #1a1a1a;
  font-size: 14px;
  line-height: 1.35;
}
.nb-names li { margin: 0; color: #1a1a1a; }
.nb-who a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.nb-actions {
  display: flex;
  gap: 4px;
  padding-top: 0;
  align-items: flex-start;
}
.nb-actions .icon-btn {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  margin-top: 2px;
}
.nb-actions .icon-btn svg,
.nb-actions .icon-btn .chip-ico { width: 12px; height: 12px; font-size: 11px; }
.nb-empty { margin: 2px 0 0; }
.pay-period {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
}
.pay-period input[type="date"],
.pay-period input[type="month"] {
  width: 8rem;
  font-size: 12px;
  padding: 3px 6px;
  min-height: 28px;
}
.pay-period-hint {
  margin: 8px 0 0;
  font-size: 12px;
}
.cabinet-pay .pay-period {
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  margin-top: 8px;
  margin-bottom: 12px;
}
.cabinet-pay .pay-period__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.cabinet-pay .pay-period label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 14px;
  white-space: nowrap;
}
.cabinet-pay .pay-period input[type="date"],
.cabinet-pay .pay-period input[type="month"] {
  width: auto;
  min-width: 10.5rem;
  font: inherit;
  font-size: 14px;
  padding: 6px 10px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}
.teacher-wallet-login {
  border: 0;
  background: var(--lilac-wash, #f3eefc);
  color: inherit;
  font: inherit;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 999px;
  cursor: pointer;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.teacher-wallet-login:hover { filter: brightness(0.97); }
.roster-block {
  border: 1px solid var(--lilac-line);
  border-radius: var(--radius);
  padding: 10px 12px 12px;
  margin: 10px 0 0;
  background: var(--lilac-page);
}
.roster-block:nth-of-type(2) { background: var(--sky); }
.roster-block:nth-of-type(3) { background: var(--sun); }
.roster-block h4 {
  margin: 0 0 8px;
  font-size: 14px;
}
.roster-person {
  padding: 4px 0 4px 12px;
  font-size: 14px;
  border-top: 1px solid var(--lilac-wash);
}
.roster-person:first-of-type { border-top: none; }
.roster-pack {
  margin: 6px 0 0;
  padding: 4px 0 4px 12px;
}
.roster-pack__title {
  font-weight: 700;
  font-size: 14px;
}
.roster-pack__members {
  margin: 4px 0 0;
  padding-left: 1.1rem;
  font-size: 14px;
}
.roster-pack__members li { margin: 2px 0; }
.teacher-account__hint { margin: 0 0 12px; }
.teacher-account {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  max-width: 22rem;
}
.teacher-account label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
}
.teacher-account--revoke { max-width: none; }
.teacher-creds {
  background: #fff7d6;
  border: 1px solid #e8d48a;
  border-radius: 10px;
  padding: 10px 12px;
  margin: 0 0 12px;
  font-size: 14px;
}
.teacher-creds__row { margin-top: 6px; }
.teacher-creds code,
.teacher-account + .sd-meta code,
.sd-meta code { font-size: 14px; }
@media (max-width: 1000px) {
  .td-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nb-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "time actions"
      "who who";
  }
  .nb-time { grid-area: time; padding-top: 4px; }
  .nb-who { grid-area: who; }
  .nb-actions { grid-area: actions; }
}

.settings-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  align-items: start;
}
.settings-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}
.settings-page .muted {
  margin: 0 0 8px;
}
@media (max-width: 900px) {
  .settings-grid,
  .settings-row {
    grid-template-columns: 1fr;
  }
}