:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #e3e8f0;
  --primary: #1f5eff;
  --primary-dark: #1747c8;
  --green: #087443;
  --green-bg: #eafaf1;
  --red: #b42318;
  --red-bg: #fff1f0;
  --yellow: #a15c00;
  --yellow-bg: #fff7e6;
  --navy: #13254f;
  --shadow: 0 14px 36px rgba(20, 34, 66, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 94, 255, 0.08), transparent 34rem),
    var(--bg);
}

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

button {
  cursor: pointer;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.container {
  width: min(1240px, calc(100% - 32px));
  margin: 36px auto 56px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.page-header h1 {
  margin-bottom: 6px;
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.04em;
}

.page-header p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.header-actions,
.telegram-actions,
.form-actions,
.row-actions,
.payment-controls {
  display: flex;
  align-items: center;
  gap: 9px;
}

.header-actions form {
  display: block;
  margin: 0;
}

.user-chip,
.connection-pill,
.record-count {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
}

.connection-pill.connected {
  border-color: #a7e3c2;
  color: var(--green);
  background: var(--green-bg);
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow.warm {
  color: var(--yellow);
}

.summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.summary-card,
.panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 22px;
}

.summary-card span,
.summary-card small {
  display: block;
  color: #dbe7ff;
}

.summary-card span {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
}

.summary-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(25px, 3vw, 34px);
}

.summary-card small {
  font-size: 12px;
  line-height: 1.45;
}

.total-overview {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, #142653, #215ee9);
}

.monthly-overview {
  background: linear-gradient(135deg, #064e3b, #14945a);
}

.monthly-overview span,
.monthly-overview small {
  color: #d5f8e5;
}

.panel {
  margin-bottom: 20px;
  padding: 22px;
}

.panel h2 {
  margin-bottom: 0;
  font-size: 21px;
  letter-spacing: -0.02em;
}

.section-heading,
.reminder-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.reminder-panel {
  border-color: #f4d49a;
  background: linear-gradient(135deg, #fffaf0, #fff);
}

.reminder-header p:not(.eyebrow),
.notification-status {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.reminder-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px;
}

.reminder-item {
  display: grid;
  gap: 8px;
  border: 1px solid #f3d49b;
  border-radius: 13px;
  padding: 14px;
  background: #fff;
}

.reminder-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.reminder-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.reminder-days {
  border-radius: 999px;
  padding: 5px 8px;
  color: var(--yellow);
  background: var(--yellow-bg);
  font-size: 11px;
  font-weight: 900;
  white-space: nowrap;
}

.reminder-empty {
  margin: 0;
  color: var(--green);
  font-weight: 800;
}

.bank-summary {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(205px, 1fr);
  gap: 12px;
  padding-bottom: 6px;
  overflow-x: auto;
}

.bank-card {
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 16px;
  background: #f9fbfe;
}

.bank-card h3 {
  min-height: 40px;
  margin: 0 0 13px;
  font-size: 16px;
}

.bank-debt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  color: var(--muted);
  font-size: 12px;
}

.bank-debt-row strong {
  color: var(--text);
  font-size: 13px;
}

.bank-debt-total {
  margin-top: 7px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--text);
  font-weight: 800;
}

.bank-debt-total strong {
  color: var(--red);
}

form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

label {
  display: grid;
  align-content: start;
  gap: 7px;
  color: #344054;
  font-size: 13px;
  font-weight: 750;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid #d7deea;
  border-radius: 11px;
  padding: 10px 12px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(31, 94, 255, 0.11);
}

.installment-field {
  grid-column: span 2;
}

.installment-field[hidden] {
  display: none;
}

label small,
.field-help,
.security-copy {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.45;
}

.optional {
  color: var(--muted);
  font-weight: 500;
}

.form-actions {
  grid-column: 1 / -1;
  margin-top: 2px;
}

.primary-button,
.secondary-button,
.ghost-button,
.edit-button,
.delete-button,
.payment-button,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 0;
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.15s, background 0.15s;
}

.primary-button,
.primary-link {
  color: #fff;
  background: var(--primary);
}

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

.secondary-button {
  border: 1px solid #f0ce91;
  color: var(--yellow);
  background: #fff;
}

.ghost-button,
.edit-button {
  border: 1px solid var(--line);
  color: #344054;
  background: #fff;
}

.delete-button {
  color: var(--red);
  background: var(--red-bg);
}

.payment-button {
  min-height: 34px;
  padding: 7px 10px;
  color: #fff;
  background: var(--green);
}

.wide-button {
  width: 100%;
}

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

table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: middle;
  font-size: 12px;
}

th {
  color: var(--muted);
  background: #f8fafc;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tbody tr {
  transition: background 0.15s;
}

tbody tr:hover {
  background: #fafcff;
}

tbody tr.is-paid {
  opacity: 0.68;
  background: #f6fbf8;
}

tbody tr.is-late {
  background: #fff8f7;
}

tbody tr.is-today {
  background: #fffbef;
}

.debt-value {
  font-weight: 800;
}

.payment-controls {
  min-width: 150px;
}

.payment-input {
  min-height: 34px;
  width: 90px;
  padding: 7px 9px;
}

.paid-box {
  display: inline-flex;
  grid-template-columns: none;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.paid-box input {
  width: 17px;
  min-height: 17px;
  margin: 0;
}

.status {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 8px;
  color: #475467;
  background: #f2f4f7;
  font-size: 10px;
  font-weight: 900;
  white-space: nowrap;
}

.status.paid {
  color: var(--green);
  background: var(--green-bg);
}

.status.late {
  color: var(--red);
  background: var(--red-bg);
}

.status.today,
.status.partial {
  color: var(--yellow);
  background: var(--yellow-bg);
}

.empty {
  margin: 18px 0 0;
  color: var(--muted);
  text-align: center;
}

.privacy-note {
  margin: 18px auto 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.settings-panel {
  padding: 0;
  overflow: hidden;
}

.settings-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

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

.settings-panel summary strong {
  display: block;
  font-size: 18px;
}

.summary-hint {
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.settings-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  padding: 20px 22px;
  background: #fbfcff;
}

.migration-form {
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  padding: 20px 22px;
  background: #fbfcff;
}

.migration-form textarea {
  min-height: 170px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.migration-form .primary-button {
  justify-self: start;
}

.settings-form .field-help {
  grid-column: 1 / -1;
}

.toast {
  position: fixed;
  z-index: 30;
  right: 22px;
  bottom: 22px;
  max-width: min(390px, calc(100% - 44px));
  border-radius: 12px;
  padding: 13px 16px;
  color: #fff;
  background: #1b7b4b;
  box-shadow: 0 18px 45px rgba(16, 24, 40, 0.22);
  font-size: 13px;
  font-weight: 750;
}

.toast.error {
  background: #b42318;
}

.auth-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px 16px;
}

.auth-shell {
  width: min(440px, 100%);
}

.install-shell {
  width: min(760px, 100%);
}

.auth-card {
  border: 1px solid rgba(215, 222, 234, 0.9);
  border-radius: 22px;
  padding: clamp(24px, 5vw, 38px);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 24px 80px rgba(20, 34, 66, 0.14);
}

.compact-card {
  padding: 36px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy), var(--primary));
  font-weight: 900;
}

.auth-card h1 {
  margin-bottom: 8px;
  font-size: clamp(28px, 6vw, 38px);
  letter-spacing: -0.04em;
}

.auth-intro {
  margin-bottom: 24px;
  color: var(--muted);
  line-height: 1.55;
}

.login-form,
.install-form {
  grid-template-columns: 1fr;
}

.install-form fieldset {
  display: grid;
  grid-column: 1 / -1;
  gap: 14px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 17px;
}

.install-form legend {
  padding: 0 7px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

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

.notice {
  display: grid;
  gap: 4px;
  margin-bottom: 18px;
  border-radius: 12px;
  padding: 13px 14px;
  font-size: 13px;
  line-height: 1.45;
}

.notice.error {
  color: var(--red);
  background: var(--red-bg);
}

.notice.success {
  color: var(--green);
  background: var(--green-bg);
}

.security-copy {
  text-align: center;
}

@media (max-width: 820px) {
  .summary {
    grid-template-columns: 1fr;
  }

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

  .page-header,
  .reminder-header {
    flex-direction: column;
  }

  .header-actions,
  .telegram-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 20px, 1240px);
    margin: 22px auto 40px;
  }

  .panel,
  .summary-card {
    border-radius: 15px;
    padding: 17px;
  }

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

  .installment-field,
  .full-width,
  .settings-form .field-help {
    grid-column: auto;
  }

  .telegram-actions,
  .header-actions {
    width: 100%;
  }

  .secondary-button,
  .connection-pill {
    flex: 1;
  }

  .compact-card {
    padding: 25px;
  }
}