:root {
  --blue: #0d4a91;
  --blue-dark: #082b55;
  --ink: #1f2329;
  --muted: #6f7785;
  --line: #d9dee7;
  --soft: #f3f6fa;
  --paper: #ffffff;
  --danger: #a83232;
}

* {
  box-sizing: border-box;
}

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

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  color: var(--blue);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 750;
}

textarea {
  resize: vertical;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.mobile-shell {
  width: min(100%, 430px);
  min-height: 100vh;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 14px calc(22px + env(safe-area-inset-bottom));
}

.mobile-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: -12px -14px 12px;
  padding: max(12px, env(safe-area-inset-top)) 14px 12px;
  background: rgba(243, 246, 250, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(217, 222, 231, 0.72);
}

.mobile-brand {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.mobile-brand img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.mobile-brand p,
.eyebrow {
  margin: 0;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.mobile-brand h1,
.mobile-hero h2,
.mobile-month-head h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: 1.5rem;
  line-height: 1.04;
}

.mobile-menu-button {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 48px;
  min-width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 13px;
  background: var(--blue);
}

.mobile-menu-button span {
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: #ffffff;
}

.mobile-menu-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(8, 20, 36, 0.35);
  backdrop-filter: blur(3px);
}

.mobile-menu-panel {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  right: 12px;
  z-index: 90;
  width: min(86vw, 320px);
  max-height: calc(100vh - 24px - env(safe-area-inset-top));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 14px;
  background: var(--paper);
  box-shadow: 0 24px 64px rgba(8, 43, 85, 0.24);
}

.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.mobile-menu-head h2 {
  margin: 2px 0 0;
  color: var(--blue-dark);
  font-size: 1.45rem;
}

.mobile-menu-head button {
  width: 44px;
  min-width: 44px;
  padding: 0;
  border-radius: 999px;
  font-size: 1.5rem;
  line-height: 1;
}

.mobile-menu-list {
  display: grid;
  gap: 9px;
}

.mobile-menu-list button {
  justify-content: flex-start;
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  text-align: left;
}

.mobile-menu-list button.active {
  background: var(--blue);
  color: #ffffff;
}

.mobile-hero,
.mobile-card,
.mobile-filter-row,
.mobile-search,
.mobile-month-head {
  margin-bottom: 12px;
}

.mobile-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.mobile-view {
  display: none;
}

.mobile-view.active {
  display: block;
}

.mobile-filter-row,
.mobile-action-row,
.mobile-calendar-actions,
.mobile-month-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-calendar-actions {
  margin-bottom: 12px;
}

.mobile-calendar-actions button {
  flex: 1;
  min-width: 0;
  padding: 8px 9px;
  font-size: 0.78rem;
}

.mobile-filter-row select {
  flex: 1;
}

.mobile-file-list,
.mobile-revenue-list,
.mobile-notes,
.mobile-day-events {
  display: grid;
  gap: 10px;
}

.mobile-file-card,
.mobile-card,
.mobile-revenue-row {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 12px 26px rgba(8, 43, 85, 0.07);
}

.mobile-file-card {
  display: grid;
  gap: 7px;
  width: 100%;
  min-height: 0;
  padding: 14px;
  text-align: left;
  color: var(--ink);
}

.mobile-file-card strong {
  color: var(--blue);
  font-size: 0.92rem;
}

.mobile-file-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.25rem;
}

.mobile-file-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 750;
}

.mobile-card {
  padding: 14px;
}

.mobile-collapsible {
  padding: 0;
  overflow: hidden;
}

.mobile-section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 64px;
  border: 0;
  border-radius: 18px;
  padding: 13px 14px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.mobile-section-toggle strong {
  display: block;
  margin-top: 2px;
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1.1;
}

.mobile-section-right {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.mobile-section-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: #eaf1fb;
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 900;
  transform: rotate(90deg);
  transition: transform 160ms ease;
}

.mobile-collapsible:not(.is-open) .mobile-section-arrow {
  transform: rotate(0deg);
}

.mobile-section-body {
  display: grid;
  gap: 12px;
  padding: 0 14px 14px;
}

.mobile-collapsible:not(.is-open) .mobile-section-body {
  display: none;
}

.mobile-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.15rem;
}

.mobile-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.mobile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

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

.mobile-title-input {
  margin: 6px 0 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 4px 0 10px;
  font-size: 1.55rem;
  font-weight: 950;
}

#mobileBalanceBadge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 7px 10px;
  background: #eaf1fb;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
}

.mobile-back {
  width: 100%;
  margin-bottom: 12px;
}

.mobile-note-entry {
  border-radius: 14px;
  padding: 10px 12px;
  background: var(--soft);
}

.mobile-note-entry time {
  display: block;
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
}

.mobile-note-entry p {
  margin: 0;
  white-space: pre-wrap;
}

.mobile-action-row button {
  flex: 1;
  background: var(--blue);
  color: #ffffff;
}

.mobile-calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 12px;
}

.mobile-day-label,
.mobile-day-cell {
  min-height: 42px;
  border-radius: 12px;
  padding: 6px 4px;
  background: var(--paper);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 850;
}

.mobile-day-label {
  min-height: 28px;
  background: transparent;
  color: var(--muted);
}

.mobile-day-cell {
  position: relative;
  border: 1px solid var(--line);
  color: var(--ink);
}

.mobile-day-cell.has-event::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 6px;
  height: 6px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--blue);
}

.mobile-day-cell.selected {
  background: var(--blue);
  color: #ffffff;
}

.mobile-event-pill {
  display: block;
  border-radius: 12px;
  padding: 9px 10px;
  background: #eaf1fb;
  color: var(--blue-dark);
  font-weight: 850;
}

.mobile-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.mobile-stat-grid article {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: var(--paper);
}

.mobile-stat-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.mobile-stat-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--blue);
  font-size: 1.25rem;
}

.mobile-revenue-row {
  padding: 12px;
}

.mobile-revenue-row h3,
.mobile-revenue-row p {
  margin: 0;
}

.mobile-revenue-row p {
  color: var(--muted);
  font-weight: 750;
}

#mobileEstimatorFrame {
  display: block;
  width: 100%;
  min-height: calc(100vh - 160px);
  border: 0;
  border-radius: 18px;
  background: #ffffff;
}

.mobile-helper {
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 370px) {
  .mobile-shell {
    padding-right: 10px;
    padding-left: 10px;
  }

  .mobile-grid,
  .mobile-stat-grid {
    grid-template-columns: 1fr;
  }

  .mobile-brand h1 {
    font-size: 1.28rem;
  }
}