:root {
  color-scheme: light;
  --ink: #1d2b34;
  --muted: #60717c;
  --line: #d9e3e8;
  --paper: #fbfcfc;
  --panel: #ffffff;
  --blue: #22577a;
  --blue-2: #2f789f;
  --green: #5c9c78;
  --yellow: #f2b84b;
  --red: #c95d63;
  --shadow: 0 18px 50px rgba(31, 49, 61, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  background:
    linear-gradient(120deg, rgba(34, 87, 122, 0.08), transparent 32%),
    linear-gradient(315deg, rgba(92, 156, 120, 0.11), transparent 34%),
    var(--paper);
}

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

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 28px;
  background: #17384d;
  color: #f7fbfc;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 8px;
  color: #17384d;
  font-weight: 900;
  background: #ffffff;
}

.brand h1,
.brand p,
.topbar h2,
.topbar p,
.section-heading h3,
.bill-title-row h4,
.settings-panel h3 {
  margin: 0;
}

.brand h1 {
  font-size: 1.2rem;
}

.brand p {
  color: rgba(247, 251, 252, 0.7);
  font-size: 0.9rem;
}

.nav-tabs {
  display: grid;
  gap: 8px;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: rgba(247, 251, 252, 0.78);
  background: transparent;
  text-align: left;
}

.nav-tab span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
}

.nav-tab.is-active {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
}

.privacy-note {
  display: grid;
  gap: 6px;
  margin-top: auto;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(247, 251, 252, 0.72);
  font-size: 0.9rem;
}

.privacy-note strong {
  color: #ffffff;
}

.main {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 30px;
}

.topbar,
.section-heading,
.bill-title-row,
.form-actions,
.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  margin-bottom: 28px;
}

.eyebrow {
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar h2 {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button,
.segmented button {
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
}

.primary-button {
  padding: 0 18px;
  color: #ffffff;
  background: var(--blue);
}

.secondary-button {
  padding: 0 18px;
  color: var(--blue);
  border-color: var(--line);
  background: #ffffff;
}

.danger-button {
  padding: 0 18px;
  color: #ffffff;
  background: var(--red);
}

.icon-button {
  display: grid;
  width: 42px;
  place-items: center;
  color: var(--ink);
  border-color: var(--line);
  background: #ffffff;
}

.view {
  display: none;
}

.view.is-visible {
  display: block;
}

.stats-grid,
.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

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

.wide-panel {
  grid-column: 1 / -1;
}

.stat-card,
.settings-panel,
.upload-panel,
.review-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.stat-card {
  display: grid;
  gap: 12px;
  min-height: 124px;
  padding: 20px;
}

.stat-card span,
.bill-meta,
.bill-notes,
.settings-panel p,
.toggle-row small,
.drop-zone span,
#extractStatus {
  color: var(--muted);
}

.stat-card strong {
  font-size: 2rem;
}

.segmented {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef4f6;
}

.segmented button {
  min-height: 34px;
  padding: 0 12px;
  color: var(--muted);
  background: transparent;
}

.segmented button.is-selected {
  color: var(--ink);
  background: #ffffff;
  box-shadow: 0 4px 10px rgba(31, 49, 61, 0.09);
}

.bill-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.bill-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.bill-main,
.bill-side {
  min-width: 0;
}

.bill-title-row h4 {
  overflow-wrap: anywhere;
  font-size: 1.05rem;
}

.status-pill,
.badge {
  flex: 0 0 auto;
  padding: 5px 9px;
  border-radius: 999px;
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 800;
  background: var(--green);
}

.status-pill.overdue {
  background: var(--red);
}

.status-pill.soon {
  background: var(--yellow);
  color: #49340b;
}

.status-pill.paid {
  background: var(--blue-2);
}

.bill-meta,
.bill-notes {
  margin: 8px 0 0;
  overflow-wrap: anywhere;
}

.bill-side {
  display: grid;
  justify-items: end;
  align-content: space-between;
  gap: 16px;
}

.bill-amount {
  font-size: 1.25rem;
}

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

.empty-state {
  margin-top: 16px;
  padding: 34px;
  border: 1px dashed #aac0ca;
  border-radius: 8px;
  text-align: center;
  background: rgba(255, 255, 255, 0.6);
}

.upload-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 18px;
}

.upload-panel,
.review-panel,
.settings-panel {
  padding: 20px;
}

.drop-zone {
  position: relative;
  display: grid;
  min-height: 150px;
  margin-bottom: 18px;
  place-items: center;
  border: 2px dashed #9fb8c4;
  border-radius: 8px;
  background: #f4f9fa;
  text-align: center;
}

.drop-zone.is-dragging {
  border-color: var(--blue);
  background: #e8f4f7;
}

.drop-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.drop-zone strong,
.drop-zone span {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: #344753;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cad9df;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 500;
}

textarea {
  resize: vertical;
}

.align-left {
  justify-content: flex-start;
}

.compact {
  margin-bottom: 12px;
}

#extractPreview {
  min-height: 330px;
  max-height: 480px;
  overflow: auto;
  margin: 16px 0 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #314651;
  background: #f8fbfb;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.toggle-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.toggle-row small {
  display: block;
  margin-top: 4px;
  font-weight: 500;
}

.sync-status {
  margin-bottom: 0;
}

.toggle-row input {
  width: 52px;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    gap: 16px;
    padding: 16px;
  }

  .nav-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .nav-tab {
    justify-content: center;
    font-size: 0.9rem;
  }

  .privacy-note {
    display: none;
  }

  .main {
    padding: 20px;
  }

  .stats-grid,
  .settings-grid,
  .upload-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand p,
  .nav-tab span {
    display: none;
  }

  .topbar,
  .section-heading,
  .bill-item {
    align-items: stretch;
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-heading {
    flex-direction: column;
  }

  .topbar-actions,
  .segmented,
  .primary-button,
  .secondary-button,
  .danger-button {
    width: 100%;
  }

  .segmented button,
  .topbar-actions .primary-button {
    flex: 1;
  }

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

  .bill-side {
    justify-items: stretch;
  }
}