:root {
  color-scheme: light dark;
  --paper: #f6f3ee;
  --ink: #211f1c;
  --muted: #706a61;
  --line: #ddd6ca;
  --panel: #fffdfa;
  --panel-soft: rgba(255, 253, 250, 0.72);
  --panel-faint: rgba(255, 253, 250, 0.42);
  --green: #23644c;
  --green-soft: #dce9df;
  --amber: #9b5f12;
  --amber-soft: #f2e3c6;
  --red: #a33a32;
  --red-soft: #f1d9d5;
  --blue: #245f82;
  --blue-soft: #e1e9ee;
  --selected-bg: #211f1c;
  --selected-fg: #ffffff;
  --dialog-shadow: 0 24px 80px rgba(31, 28, 23, 0.28);
  --backdrop: rgba(32, 29, 25, 0.36);
  --shadow: 0 16px 40px rgba(46, 35, 24, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #10130f;
    --ink: #f4efe7;
    --muted: #aaa195;
    --line: #34362f;
    --panel: #181b16;
    --panel-soft: rgba(24, 27, 22, 0.78);
    --panel-faint: rgba(24, 27, 22, 0.42);
    --green: #67c293;
    --green-soft: rgba(123, 202, 160, 0.18);
    --amber: #e6b467;
    --amber-soft: rgba(230, 180, 103, 0.18);
    --red: #ef8d83;
    --red-soft: rgba(239, 141, 131, 0.18);
    --blue: #8abde0;
    --blue-soft: rgba(138, 189, 224, 0.18);
    --selected-bg: #2d6f54;
    --selected-fg: #ffffff;
    --dialog-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
    --backdrop: rgba(0, 0, 0, 0.58);
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  }
}

:root[data-theme="dark"] {
  --paper: #10130f;
  --ink: #f4efe7;
  --muted: #aaa195;
  --line: #34362f;
  --panel: #181b16;
  --panel-soft: rgba(24, 27, 22, 0.78);
  --panel-faint: rgba(24, 27, 22, 0.42);
  --green: #67c293;
  --green-soft: rgba(123, 202, 160, 0.18);
  --amber: #e6b467;
  --amber-soft: rgba(230, 180, 103, 0.18);
  --red: #ef8d83;
  --red-soft: rgba(239, 141, 131, 0.18);
  --blue: #8abde0;
  --blue-soft: rgba(138, 189, 224, 0.18);
  --selected-bg: #2d6f54;
  --selected-fg: #ffffff;
  --dialog-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
  --backdrop: rgba(0, 0, 0, 0.58);
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
}

:root[data-theme="light"] {
  --paper: #f6f3ee;
  --ink: #211f1c;
  --muted: #706a61;
  --line: #ddd6ca;
  --panel: #fffdfa;
  --panel-soft: rgba(255, 253, 250, 0.72);
  --panel-faint: rgba(255, 253, 250, 0.42);
  --green: #23644c;
  --green-soft: #dce9df;
  --amber: #9b5f12;
  --amber-soft: #f2e3c6;
  --red: #a33a32;
  --red-soft: #f1d9d5;
  --blue: #245f82;
  --blue-soft: #e1e9ee;
  --selected-bg: #211f1c;
  --selected-fg: #ffffff;
  --dialog-shadow: 0 24px 80px rgba(31, 28, 23, 0.28);
  --backdrop: rgba(32, 29, 25, 0.36);
  --shadow: 0 16px 40px rgba(46, 35, 24, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

button,
.import-button,
.file-button {
  appearance: none !important;
  -webkit-appearance: none !important;
  background-image: none;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  padding: 0 14px;
}

button:active,
.import-button:active,
.file-button:active {
  transform: translateY(1px);
}

.app-shell {
  width: min(calc(100% - 28px), 980px);
  max-width: min(980px, 100vw);
  margin: 0 auto;
  overflow-x: hidden;
  padding: max(18px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) 34px max(14px, env(safe-area-inset-left));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin: 8px 0 22px;
  min-width: 0;
}

.top-actions {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 8px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 8vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
}

.auth-screen[hidden],
.app-shell[hidden] {
  display: none;
}

.auth-panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  gap: 12px;
}

.auth-panel h1 {
  font-size: clamp(2rem, 11vw, 3.6rem);
}

.auth-panel p:not(.eyebrow) {
  color: var(--muted);
}

.auth-error {
  min-height: 20px;
  color: var(--red);
  font-size: 0.9rem;
}

.icon-button {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-size: 1.5rem;
}

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

.summary-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-width: 0;
  gap: 10px;
  margin-bottom: 14px;
}

.summary-band article {
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 92px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-band span,
.payment-meta,
.payment-note,
.search-field span {
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-band strong {
  font-size: clamp(1.35rem, 4vw, 2.1rem);
}

.controls {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 320px);
  gap: 10px;
  align-items: end;
  margin: 16px 0 10px;
  min-width: 0;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
}

.segment {
  border: 0;
  border-radius: 0;
  background: transparent;
  min-width: 0;
}

.segment.active {
  background: var(--selected-bg) !important;
  background-color: var(--selected-bg) !important;
  background-image: none !important;
  color: var(--selected-fg) !important;
  -webkit-text-fill-color: var(--selected-fg) !important;
}

.search-field {
  display: grid;
  gap: 6px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  min-height: 44px;
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px;
  margin-bottom: 16px;
  min-width: 0;
}

.import-button,
.file-button {
  display: inline-flex;
  align-items: center;
}

.import-button input,
.file-button input {
  display: none;
}

.currency-field,
.theme-field {
  display: grid;
  gap: 5px;
  min-width: 112px;
  color: var(--muted);
  font-size: 0.82rem;
}

.currency-field select,
.theme-field select {
  min-height: 44px;
}

.sync-status {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  padding: 0 12px;
  font-size: 0.88rem;
}

.sync-status[data-state="synced"] {
  color: var(--green);
  border-color: var(--green-soft);
}

.sync-status[data-state="pending"],
.sync-status[data-state="syncing"] {
  color: var(--amber);
  border-color: var(--amber-soft);
}

.sync-status[data-state="error"],
.sync-status[data-state="offline"] {
  color: var(--red);
  border-color: var(--red-soft);
}

.payment-list {
  display: grid;
  min-width: 0;
  gap: 10px;
}

.payment-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  min-width: 0;
  gap: 12px;
  align-items: center;
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 12px;
}

.status-dot {
  width: 12px;
  height: 56px;
  border-radius: 999px;
  background: var(--green);
}

.payment-card.late .status-dot {
  background: var(--red);
}

.payment-card.soon .status-dot {
  background: var(--amber);
}

.payment-card.paid {
  opacity: 0.72;
}

.payment-card.paid .status-dot {
  background: var(--blue);
}

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

.payment-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.payment-title-row h2 {
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.pill {
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.78rem;
  background: var(--green-soft);
  color: var(--green);
}

.late .pill {
  background: var(--red-soft);
  color: var(--red);
}

.soon .pill {
  background: var(--amber-soft);
  color: var(--amber);
}

.payment-meta {
  margin-top: 7px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.payment-note {
  margin-top: 7px;
  overflow-wrap: anywhere;
}

.receipt-chip {
  min-height: 30px;
  margin-top: 8px;
  padding: 0 9px;
  border-color: var(--green-soft);
  background: var(--green-soft);
  color: var(--green);
  font-size: 0.86rem;
}

.amount-block {
  text-align: right;
  display: grid;
  gap: 8px;
  justify-items: end;
}

.amount {
  font-size: 1.2rem;
  font-weight: 750;
}

.card-actions {
  display: flex;
  gap: 6px;
}

.small-action {
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.9rem;
}

.calendar-view {
  display: grid;
  gap: 8px;
}

.calendar-view[hidden],
.payment-list[hidden] {
  display: none;
}

.calendar-toolbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 10px;
}

.calendar-toolbar div {
  text-align: center;
  min-width: 0;
}

.calendar-toolbar h2 {
  font-size: 1.2rem;
  text-transform: capitalize;
}

.calendar-toolbar p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.9rem;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.calendar-weekdays {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
  padding: 0 2px;
}

.calendar-day {
  min-height: 128px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 8px;
  overflow: hidden;
}

.calendar-day.outside {
  background: var(--panel-faint);
  border-style: dashed;
}

.calendar-day.today {
  outline: 2px solid var(--green);
  outline-offset: -2px;
}

.calendar-day-head {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  align-items: baseline;
  min-height: 24px;
}

.day-number {
  font-weight: 750;
}

.calendar-day-head strong {
  color: var(--green);
  font-size: 0.78rem;
  text-align: right;
}

.calendar-items {
  display: grid;
  gap: 5px;
  margin-top: 6px;
}

.calendar-payment {
  min-height: 30px;
  width: 100%;
  padding: 4px 7px;
  border: 0;
  border-left: 4px solid var(--green);
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 0.78rem;
  line-height: 1.15;
  text-align: left;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-payment.soon {
  background: var(--amber-soft);
  border-left-color: var(--amber);
  color: var(--amber);
}

.calendar-payment.late {
  background: var(--red-soft);
  border-left-color: var(--red);
  color: var(--red);
}

.calendar-payment.paid {
  background: var(--blue-soft);
  border-left-color: var(--blue);
  color: var(--blue);
  text-decoration: line-through;
}

dialog {
  width: min(560px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--dialog-shadow);
}

dialog::backdrop {
  background: var(--backdrop);
}

form {
  padding: 16px;
  display: grid;
  gap: 12px;
}

.dialog-head,
.dialog-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

.dialog-head h2 {
  font-size: 1.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.receipt-section {
  display: grid;
  gap: 10px;
}

.receipt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.receipt-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--paper);
  max-height: 280px;
}

.receipt-preview img {
  display: block;
  width: 100%;
  max-height: 280px;
  object-fit: contain;
}

.toggle-row label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-row input {
  width: 20px;
  min-height: 20px;
}

.dialog-actions {
  grid-template-columns: auto 1fr auto auto;
}

.ghost {
  background: transparent;
}

.danger {
  color: var(--red);
  border-color: var(--red-soft);
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 26px;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 10px;
}

.empty-state p {
  color: var(--muted);
}

@media (max-width: 760px) {
  .summary-band,
  .controls,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .summary-band {
    gap: 8px;
  }

  .summary-band article {
    min-height: 78px;
  }

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

  .amount-block {
    grid-column: 2;
    text-align: left;
    justify-items: start;
  }

  .dialog-actions {
    grid-template-columns: 1fr 1fr;
  }

  .dialog-actions span {
    display: none;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(390px, calc(100% - 44px));
    padding-left: 0;
    padding-right: 0;
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: flex-start;
    gap: 10px;
  }

  .topbar h1 {
    max-width: 100%;
    font-size: clamp(2rem, 12vw, 3.2rem);
    overflow-wrap: anywhere;
  }

  .top-actions {
    gap: 6px;
  }

  .top-actions .ghost {
    min-height: 40px;
    padding-inline: 10px;
  }

  .top-actions .icon-button {
    width: 42px;
    height: 42px;
  }

  .segmented {
    overflow: hidden;
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .segment {
    min-height: 48px;
    padding-inline: 2px;
    font-size: clamp(0.68rem, 3.15vw, 0.9rem);
  }

  .quick-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .quick-actions > button,
  .quick-actions > label,
  .sync-status,
  .currency-field,
  .theme-field {
    min-width: 0;
    width: 100%;
    flex: none;
  }

  .currency-field,
  .theme-field {
    min-width: 0;
  }

  .sync-status {
    justify-content: center;
    text-align: center;
  }

  .calendar-weekdays,
  .calendar-grid {
    gap: 3px;
  }

  .calendar-day {
    min-height: 86px;
    padding: 5px;
  }

  .calendar-day-head {
    display: block;
  }

  .calendar-day-head strong {
    display: block;
    text-align: left;
    font-size: 0.68rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .calendar-payment {
    min-height: 18px;
    padding: 3px 4px;
    border-left-width: 3px;
    font-size: 0.66rem;
  }
}