:root {
  --bg: #f4f1ea;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --primary: #1b6b4a;
  --primary-dark: #145239;
  --danger: #b42318;
  --paid: #0f7b4c;
  --unpaid: #c2410c;
  --border: #e5e1d8;
  --shadow: 0 10px 30px rgba(31, 41, 51, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(27, 107, 74, 0.08), transparent 30%),
    linear-gradient(180deg, #f8f6f1 0%, var(--bg) 100%);
  color: var(--text);
  min-height: 100vh;
}

.container {
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 1.25rem);
  }

  main {
    padding: 1.25rem 0 3rem;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero.compact h1 {
    font-size: 1.5rem;
  }

  .card {
    padding: 1rem;
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: white;
  font-weight: 700;
}

.brand-text {
  font-size: 1.15rem;
  font-weight: 700;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-user {
  color: var(--muted);
  font-size: 0.9rem;
  margin-right: 0.25rem;
}

main {
  padding: 2rem 0 4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.hero {
  margin-bottom: 1.5rem;
}

.hero.compact h1 {
  font-size: 1.8rem;
}

.hero h1 {
  margin: 0 0 0.35rem;
  font-size: 2.2rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.programs-section > h2,
.programs-column > h2,
.sangat-column > h2,
.admin-programs-section > h2,
.admin-main h2,
.admin-settings-bottom h2 {
  margin-top: 0;
}

.home-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.home-columns,
.admin-columns {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 1.25rem;
  align-items: start;
}

.admin-main {
  min-width: 0;
}

.admin-sidebar {
  min-width: 0;
}

.admin-sidebar .sidebar-card {
  margin-bottom: 1rem;
}

.admin-sidebar .sidebar-card:last-child {
  margin-bottom: 0;
}

.admin-programs-section {
  margin-top: 0.5rem;
}

.admin-programs-section > h2 {
  margin-bottom: 1rem;
}

.admin-settings-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 1rem;
}

.admin-settings-bottom h2 {
  margin-top: 0;
}

.programs-column > h2 {
  margin-bottom: 1rem;
}

.column-card {
  margin-bottom: 0;
  padding: 0;
  overflow: hidden;
}

.column-card-header {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.column-card-header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.column-subtitle {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.column-card-body {
  padding: 0.25rem 1.25rem 1.25rem;
}

.program-item {
  padding: 1rem 0;
}

.program-collapse {
  display: block;
}

.program-collapse[open] .program-summary {
  margin-bottom: 0.5rem;
}

.program-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 0;
  cursor: pointer;
  list-style: none;
}

.program-summary::-webkit-details-marker {
  display: none;
}

.program-summary::before {
  content: "▸";
  flex-shrink: 0;
  width: 1rem;
  color: var(--muted);
  transition: transform 0.15s ease;
}

.program-collapse[open] > .program-summary::before {
  transform: rotate(90deg);
}

.program-summary-main {
  flex: 1;
  min-width: 0;
}

.program-summary-title {
  display: block;
  font-weight: 600;
  font-size: 1rem;
}

.program-summary-date {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.85rem;
}

.program-summary-stat {
  flex-shrink: 0;
  font-size: 0.85rem;
}

.program-collapse-body {
  padding: 0 0 0.85rem 1rem;
}

.program-collapse-body .sangat-grid {
  padding-top: 0.25rem;
}

.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;
}

.member-row-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.share-edit-form,
.member-edit-form {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.share-edit-form input,
.member-name-input {
  width: auto;
  min-width: 90px;
  max-width: 140px;
  padding: 0.4rem 0.55rem;
  font-size: 0.88rem;
}

.member-name-input {
  flex: 1;
  min-width: 120px;
  max-width: none;
}

.member-edit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.bulk-payment-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.bulk-check-label {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.bulk-check-label input {
  width: 1.1rem;
  height: 1.1rem;
  margin: 0;
  cursor: pointer;
}

.admin-payments .member-row {
  gap: 0.5rem;
}

.bulk-status {
  margin: 0.5rem 0 0;
  min-height: 1.2rem;
  font-size: 0.85rem;
}

.bulk-status-error {
  color: var(--danger);
}

.program-item-divider {
  border-bottom: 1px solid var(--border);
}

.empty-in-card {
  margin: 1rem 0 0.5rem;
  text-align: center;
  font-size: 0.92rem;
}

.sangat-collapse {
  display: block;
  padding: 0;
  overflow: hidden;
}

.sangat-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  list-style: none;
}

.sangat-collapse[open] > .sangat-summary {
  border-bottom-color: var(--border);
}

.sangat-summary::-webkit-details-marker {
  display: none;
}

.sangat-summary::before {
  content: "▸";
  flex-shrink: 0;
  width: 1rem;
  margin-right: 0.35rem;
  color: var(--muted);
  transition: transform 0.15s ease;
}

.sangat-collapse[open] > .sangat-summary::before {
  transform: rotate(90deg);
}

.sangat-summary-sub {
  display: block;
  margin-top: 0.2rem;
}

.sangat-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.sangat-cell {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #faf9f6;
  min-width: 0;
}

.sangat-cell.owed {
  background: #fffaf6;
  border-color: #f0dcc8;
}

.sangat-cell.clear {
  background: #f4fbf7;
  border-color: #cfe8d8;
}

.admin-sidebar {
  position: sticky;
  top: 5.5rem;
}

.sangat-name {
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.25;
  word-break: break-word;
  flex: 1;
  min-width: 0;
}

.sangat-cell .badge {
  flex-shrink: 0;
  font-size: 0.72rem;
  padding: 0.22rem 0.5rem;
}

.bank-card {
  margin-top: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.35rem 1.5rem;
  background: linear-gradient(135deg, #f0faf5 0%, #ffffff 55%, #f8f6f1 100%);
  border-color: #b8dcc8;
}

.bank-card-icon {
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: #dff7ea;
  color: var(--primary-dark);
  border-radius: 12px;
}

.bank-card-content {
  flex: 1;
  min-width: 0;
}

.bank-card-label {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--primary);
}

.bank-card-details {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  white-space: pre-wrap;
  line-height: 1.5;
}

.bank-card-hint {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.bank-footer {
  margin-top: 2rem;
  padding: 1rem 0 0.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.bank-label {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.bank-details-subtle {
  margin: 0;
  font-size: 0.92rem;
  color: #4b5563;
  white-space: pre-wrap;
}

.bank-hint {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: #9ca3af;
}

.hint,
.meta,
.notes,
.empty {
  color: var(--muted);
}

.program-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.program-header h3 {
  margin: 0 0 0.25rem;
}

.program-stats,
.program-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.stat {
  color: var(--muted);
  font-size: 0.95rem;
}

.paid-ratio {
  color: var(--primary);
  font-weight: 600;
}

.member-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.member-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.member-row:first-child {
  border-top: none;
}

.badge {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.badge-clear {
  background: #dff7ea;
  color: var(--paid);
}

.badge-owed {
  background: #fff1e8;
  color: var(--unpaid);
}

.badge-paid {
  background: #dff7ea;
  color: var(--paid);
}

.badge-unpaid {
  background: #fff1e8;
  color: var(--unpaid);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger {
  background: #fdecec;
  color: var(--danger);
}

.btn-clear {
  background: #dff7ea;
  color: var(--paid);
}

.btn-owed {
  background: #fff1e8;
  color: var(--unpaid);
}

.btn-paid {
  background: #dff7ea;
  color: var(--paid);
}

.btn-unpaid {
  background: #fff1e8;
  color: var(--unpaid);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  min-height: 36px;
}

.form-field-grow {
  flex: 1 1 220px;
}

.member-picker {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  background: #faf9f6;
}

.member-picker-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.member-picker-label {
  font-weight: 600;
  font-size: 0.92rem;
}

.member-picker-actions {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
}

.member-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.member-chip {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.member-chip input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.member-chip span {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: #fff;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.member-chip input:checked + span {
  background: #e8f5ee;
  border-color: var(--primary);
  color: var(--primary-dark);
  font-weight: 600;
}

.member-chip input:focus-visible + span {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.picker-empty {
  margin: 0;
  font-size: 0.9rem;
}

.program-title-block {
  flex: 1 1 200px;
  min-width: 0;
}

.program-title-block .notes {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
}

.row-action {
  flex-shrink: 0;
}

.member-list-name {
  flex: 1;
  min-width: 0;
  word-break: break-word;
}

.compact-list li {
  padding: 0.5rem 0;
}

.admin-member-list .btn-danger.btn-sm {
  min-width: 36px;
  min-height: 36px;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
}

.cost-section {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem;
  background: #faf9f6;
}

.cost-bulk-row {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cost-bulk-field {
  flex: 1 1 180px;
  min-width: 0;
}

.cost-hint {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
}

.cost-rows {
  margin-top: 0.85rem;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

.cost-rows-header {
  display: grid;
  grid-template-columns: 1fr minmax(110px, 140px);
  gap: 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.cost-row {
  display: grid;
  grid-template-columns: 1fr minmax(110px, 140px);
  gap: 0.75rem;
  align-items: center;
  padding: 0.35rem 0;
}

.cost-row-name {
  font-weight: 500;
  font-size: 0.92rem;
  min-width: 0;
  word-break: break-word;
}

.cost-row input {
  width: 100%;
  padding: 0.55rem 0.65rem;
}

.member-share {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 0.1rem;
}

.btn-block {
  width: 100%;
}

.inline-form {
  display: inline;
}

.form {
  display: grid;
  gap: 0.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

label,
legend {
  font-weight: 600;
  font-size: 0.92rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem 1rem;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.admin-member-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  max-height: 320px;
  overflow-y: auto;
}

.admin-member-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--border);
}

.auth-card {
  max-width: 420px;
  margin: 2rem auto 0;
}

.flash-list {
  margin-bottom: 1rem;
}

.flash {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin-bottom: 0.5rem;
}

.flash-error {
  background: #fdecec;
  color: #8f1d1d;
}

.flash-success {
  background: #e8f8ef;
  color: #145239;
}

.empty-state {
  text-align: center;
  color: var(--muted);
}

@media (max-width: 900px) {
  .sangat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .admin-sidebar {
    position: static;
  }

  .admin-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .admin-sidebar .sidebar-card {
    margin-bottom: 0;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
  }

  .brand-text {
    font-size: 1rem;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 0.85rem;
  }

  nav {
    width: auto;
    margin-left: auto;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-user {
    display: none;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .program-header {
    flex-direction: column;
    align-items: stretch;
  }

  .program-stats,
  .program-actions {
    width: 100%;
  }

  .member-row,
  .sangat-row,
  .admin-member-list li,
  .member-edit-row {
    flex-direction: row;
    align-items: center;
  }

  .member-row-main {
    flex: 1;
    min-width: 0;
  }

  .share-edit-form input {
    max-width: 110px;
  }

  .member-name-input {
    min-width: 0;
  }

  .member-row .member-name,
  .sangat-row .sangat-name {
    flex: 1;
    min-width: 0;
  }

  .member-chip span {
    font-size: 0.82rem;
    padding: 0.4rem 0.65rem;
  }

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

  .bank-card {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .bank-card-icon {
    margin: 0 auto;
  }

  .bank-footer {
    margin-top: 1.5rem;
    padding-top: 0.75rem;
  }

  .auth-card {
    margin-top: 1rem;
  }
}