/* =============================================================
   Household Finance — styles.css
   Organisation:
     1.  Design tokens (CSS variables) + dark theme
     2.  Reset & base elements
     3.  Utilities
     4.  Buttons / icon buttons / menu
     5.  Header, month navigation, tabs
     6.  Layout: main, cards, grids
     7.  Summary tiles & progress bars
     8.  Lists, rows, tables
     9.  Forms & validation
    10.  Modal, toasts, FAB
    11.  Empty / error states
    12.  Responsive (mobile-first: overrides grow upward)
    13.  Motion & print preferences
   ============================================================= */

/* -------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------- */
:root {
  /* Brand + semantic palette (light theme is the default) */
  --c-brand:            #0f766e;
  --c-brand-strong:     #115e59;
  --c-brand-soft:       #ccfbf1;
  --c-brand-contrast:   #ffffff;

  --c-positive:         #15803d;
  --c-positive-soft:    #dcfce7;
  --c-warning:          #b45309;
  --c-warning-soft:     #fef3c7;
  --c-danger:           #b91c1c;
  --c-danger-soft:      #fee2e2;
  --c-info:             #1d4ed8;
  --c-info-soft:        #dbeafe;

  /* Surfaces & text */
  --c-bg:               #f1f5f9;
  --c-surface:          #ffffff;
  --c-surface-2:        #f8fafc;
  --c-surface-3:        #eef2f7;
  --c-border:           #dbe3ec;
  --c-border-strong:    #c3cedd;
  --c-text:             #0f172a;
  --c-text-muted:       #5b6b81;
  --c-text-faint:       #8496ab;
  --c-overlay:          rgba(15, 23, 42, .5);

  /* Spacing scale */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;

  /* Radii */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* Elevation */
  --sh-1: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .05);
  --sh-2: 0 4px 12px rgba(15, 23, 42, .08);
  --sh-3: 0 18px 45px rgba(15, 23, 42, .22);

  /* Typography */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --fs-xs: .75rem;
  --fs-sm: .8125rem;
  --fs-base: .9375rem;
  --fs-md: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.875rem;

  /* Layout */
  --header-h: auto;
  --content-max: 1200px;
  --transition: 160ms cubic-bezier(.4, 0, .2, 1);
}

/* Dark theme — applied explicitly or by system preference */
[data-theme="dark"] {
  --c-brand:            #2dd4bf;
  --c-brand-strong:     #5eead4;
  --c-brand-soft:       #10403c;
  --c-brand-contrast:   #04211f;

  --c-positive:         #4ade80;
  --c-positive-soft:    #14351f;
  --c-warning:          #fbbf24;
  --c-warning-soft:     #3a2c08;
  --c-danger:           #f87171;
  --c-danger-soft:      #40181a;
  --c-info:             #60a5fa;
  --c-info-soft:        #172a4d;

  --c-bg:               #0b1120;
  --c-surface:          #121a2b;
  --c-surface-2:        #172135;
  --c-surface-3:        #1f2b42;
  --c-border:           #26334b;
  --c-border-strong:    #35476a;
  --c-text:             #e6edf7;
  --c-text-muted:       #9fb0c8;
  --c-text-faint:       #74869e;
  --c-overlay:          rgba(2, 6, 16, .68);

  --sh-1: 0 1px 2px rgba(0, 0, 0, .4);
  --sh-2: 0 6px 18px rgba(0, 0, 0, .45);
  --sh-3: 0 20px 50px rgba(0, 0, 0, .6);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-brand:            #2dd4bf;
    --c-brand-strong:     #5eead4;
    --c-brand-soft:       #10403c;
    --c-brand-contrast:   #04211f;
    --c-positive:         #4ade80;
    --c-positive-soft:    #14351f;
    --c-warning:          #fbbf24;
    --c-warning-soft:     #3a2c08;
    --c-danger:           #f87171;
    --c-danger-soft:      #40181a;
    --c-info:             #60a5fa;
    --c-info-soft:        #172a4d;
    --c-bg:               #0b1120;
    --c-surface:          #121a2b;
    --c-surface-2:        #172135;
    --c-surface-3:        #1f2b42;
    --c-border:           #26334b;
    --c-border-strong:    #35476a;
    --c-text:             #e6edf7;
    --c-text-muted:       #9fb0c8;
    --c-text-faint:       #74869e;
    --c-overlay:          rgba(2, 6, 16, .68);
    --sh-1: 0 1px 2px rgba(0, 0, 0, .4);
    --sh-2: 0 6px 18px rgba(0, 0, 0, .45);
    --sh-3: 0 20px 50px rgba(0, 0, 0, .6);
  }
}

/* -------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.5;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  /* Leaves room for the floating action button on small screens. */
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
}

h1, h2, h3, h4 { margin: 0; line-height: 1.25; font-weight: 650; }
h2 { font-size: var(--fs-md); }
h3 { font-size: var(--fs-base); }
p  { margin: 0; }
hr {
  border: 0;
  border-top: 1px solid var(--c-border);
  margin: var(--sp-2) 0;
}

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

:focus-visible {
  outline: 2px solid var(--c-brand);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* -------------------------------------------------------------
   3. UTILITIES
   ------------------------------------------------------------- */
.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;
}

.skip-link {
  position: absolute;
  left: var(--sp-2);
  top: -3rem;
  z-index: 100;
  background: var(--c-brand);
  color: var(--c-brand-contrast);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: top var(--transition);
}
.skip-link:focus { top: var(--sp-2); }

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.muted  { color: var(--c-text-muted); }
.faint  { color: var(--c-text-faint); }
.pos    { color: var(--c-positive); }
.neg    { color: var(--c-danger); }
.warn   { color: var(--c-warning); }
.nowrap { white-space: nowrap; }

.noscript {
  margin: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-md);
  background: var(--c-danger-soft);
  color: var(--c-danger);
}

/* Small status pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 2px var(--sp-2);
  border-radius: var(--r-pill);
  font-size: var(--fs-xs);
  font-weight: 650;
  letter-spacing: .01em;
  background: var(--c-surface-3);
  color: var(--c-text-muted);
  white-space: nowrap;
}
.pill--ok     { background: var(--c-positive-soft); color: var(--c-positive); }
.pill--warn   { background: var(--c-warning-soft);  color: var(--c-warning); }
.pill--over   { background: var(--c-danger-soft);   color: var(--c-danger); }
.pill--info   { background: var(--c-info-soft);     color: var(--c-info); }
.pill--brand  { background: var(--c-brand-soft);    color: var(--c-brand); }

/* -------------------------------------------------------------
   4. BUTTONS / MENU
   ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  min-height: 40px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md);
  background: var(--c-surface);
  color: var(--c-text);
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition), color var(--transition);
  white-space: nowrap;
}
.btn:hover  { background: var(--c-surface-3); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--c-brand);
  border-color: var(--c-brand);
  color: var(--c-brand-contrast);
}
.btn--primary:hover { background: var(--c-brand-strong); border-color: var(--c-brand-strong); }

.btn--danger {
  background: var(--c-danger);
  border-color: var(--c-danger);
  color: #fff;
}
[data-theme="dark"] .btn--danger { color: #2a0b0c; }
.btn--danger:hover { filter: brightness(.94); }

.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--c-text-muted);
}
.btn--ghost:hover { background: var(--c-surface-3); color: var(--c-text); }

.btn--sm { min-height: 34px; padding: var(--sp-1) var(--sp-3); font-size: var(--fs-sm); }
.btn--block { width: 100%; }

/* Language switch — shows the code of the language you would switch to */
.lang-btn {
  min-height: 38px;
  min-width: 42px;
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 800;
  letter-spacing: .06em;
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
}
.lang-btn:hover { color: var(--c-brand); border-color: var(--c-brand); background: var(--c-brand-soft); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--c-text-muted);
  font-size: var(--fs-lg);
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover { background: var(--c-surface-3); color: var(--c-text); }
.icon-btn--danger:hover { background: var(--c-danger-soft); color: var(--c-danger); }

/* Dropdown menu built on <details> */
.menu { position: relative; }
.menu > summary {
  list-style: none;
  user-select: none;
}
.menu > summary::-webkit-details-marker { display: none; }

.menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + var(--sp-2));
  z-index: 40;
  min-width: 15rem;
  padding: var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-2);
}
.menu__panel button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--sp-2) var(--sp-3);
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  font-size: var(--fs-base);
  cursor: pointer;
}
.menu__panel button:hover { background: var(--c-surface-3); }
.menu__panel button.danger { color: var(--c-danger); }
.menu__panel button.danger:hover { background: var(--c-danger-soft); }

/* -------------------------------------------------------------
   5. HEADER / MONTH NAV / TABS
   ------------------------------------------------------------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--sh-1);
  padding-top: env(safe-area-inset-top, 0px);
}

.app-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-4);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand actions"
    "month month";
  gap: var(--sp-3);
  align-items: center;
}

.brand {
  grid-area: brand;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
}
.brand__mark { font-size: 1.4rem; }
.brand__text { display: flex; flex-direction: column; min-width: 0; }
.brand__text strong { font-size: var(--fs-md); letter-spacing: -.01em; }
.brand__text small {
  font-size: var(--fs-xs);
  color: var(--c-text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-header__actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.menu__label { display: none; }

.month-nav {
  grid-area: month;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  padding: var(--sp-1);
}
.month-nav__current {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}
.month-nav__label {
  font-weight: 650;
  font-size: var(--fs-base);
  pointer-events: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* The month input sits invisibly over the label so tapping opens the picker */
.month-nav__input {
  position: absolute;
  inset: 0;
  width: 100%;
  opacity: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.month-nav__input:focus-visible + .month-nav__label {
  outline: 2px solid var(--c-brand);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.tabs-wrap {
  border-top: 1px solid var(--c-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-wrap::-webkit-scrollbar { display: none; }

.tabs {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  gap: var(--sp-1);
  padding: 0 var(--sp-2);
  min-width: max-content;
}
.tabs [role="tab"] {
  appearance: none;
  border: 0;
  background: transparent;
  padding: var(--sp-3) var(--sp-3);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--c-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.tabs [role="tab"]:hover { color: var(--c-text); }
.tabs [role="tab"][aria-selected="true"] {
  color: var(--c-brand);
  border-bottom-color: var(--c-brand);
}

/* -------------------------------------------------------------
   6. LAYOUT / CARDS
   ------------------------------------------------------------- */
.app-main {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-4) var(--sp-6);
  display: block;
}

.view { display: block; animation: fade-in 180ms ease both; }
.view[hidden] { display: none; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
}
.card + .card { margin-top: var(--sp-4); }

.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-bottom: 1px solid var(--c-border);
  flex-wrap: wrap;
}
.card__sub {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  margin-top: 2px;
}
.card__body { padding: var(--sp-4); }
.card__body--flush { padding: 0; }
.card__foot {
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--c-border);
  background: var(--c-surface-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  font-size: var(--fs-sm);
}
.card__foot:empty { display: none; }

.panel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

/* -------------------------------------------------------------
   7. SUMMARY TILES & PROGRESS
   ------------------------------------------------------------- */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
}

.tile {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--tile-accent, var(--c-border-strong));
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  padding: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  min-width: 0;
}
.tile--income      { --tile-accent: var(--c-positive); }
.tile--expense     { --tile-accent: var(--c-danger); }
.tile--allocation  { --tile-accent: var(--c-info); }
.tile--remaining   { --tile-accent: var(--c-brand); }

.tile__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  color: var(--c-text-faint);
}
.tile__value {
  /* Two tiles share a phone's width, so a five-figure amount has to shrink
     rather than wrap — breaking "Q 18,500.00" mid-number is unreadable.
     The >=600px rule below takes over before the cap is ever reached. */
  font-size: clamp(1rem, 4.4vw, var(--fs-xl));
  font-weight: 700;
  letter-spacing: -.02em;
  /* Last resort only: break-word keeps normal amounts intact and steps in
     for absurd values, so the tile can never force a horizontal scroll. */
  overflow-wrap: break-word;
}
.tile__meta {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-2);
}

/* Carry-over strip (the accumulator): opening balance in, closing balance out */
.carry {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  padding: var(--sp-4);
  margin-bottom: var(--sp-3);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-brand);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
}

.carry__part { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.carry__label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
  color: var(--c-text-faint);
}
.carry__from { text-transform: none; letter-spacing: 0; font-weight: 600; }

.carry__value {
  /* Full-width so it has more room than a tile, but same rule: never split
     a number across lines. */
  font-size: clamp(1.15rem, 5vw, var(--fs-xl));
  font-weight: 700;
  letter-spacing: -.02em;
  overflow-wrap: break-word;
}

.carry__hint { font-size: var(--fs-xs); color: var(--c-text-muted); }

.carry__actions {
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  flex-wrap: wrap;
}

/* The closing figure is separated by a rule that flips with the layout */
.carry__part--out {
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--c-border);
}

/* Progress bars */
.progress {
  position: relative;
  height: 8px;
  border-radius: var(--r-pill);
  background: var(--c-surface-3);
  overflow: hidden;
}
.progress__bar {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--c-positive);
  transition: width 320ms cubic-bezier(.4, 0, .2, 1);
}
.progress--ok   .progress__bar { background: var(--c-positive); }
.progress--warn .progress__bar { background: var(--c-warning); }
.progress--over .progress__bar { background: var(--c-danger); }
.progress--info .progress__bar { background: var(--c-info); }
.progress--none .progress__bar { background: var(--c-border-strong); }

/* Comparison rows on the dashboard */
.compare { display: flex; flex-direction: column; gap: var(--sp-4); }
.compare__row { display: flex; flex-direction: column; gap: var(--sp-2); }
.compare__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
}
.compare__name { font-weight: 650; }
.compare__nums { color: var(--c-text-muted); }

/* -------------------------------------------------------------
   8. LISTS / ROWS / TABLES
   ------------------------------------------------------------- */
.rows { display: flex; flex-direction: column; gap: var(--sp-2); }

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-2) var(--sp-3);
  align-items: center;
  padding: var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  transition: border-color var(--transition), background var(--transition);
}
.row:hover { border-color: var(--c-border-strong); }

.row__main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.row__title {
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.row__sub { font-size: var(--fs-xs); color: var(--c-text-muted); }

.row__amounts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  text-align: right;
}
.row__amount { font-weight: 700; font-size: var(--fs-md); }
.row__amount--sm { font-size: var(--fs-base); }

.row__actions {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--sp-1);
  justify-content: flex-end;
  border-top: 1px dashed var(--c-border);
  padding-top: var(--sp-2);
}
.row__progress { grid-column: 1 / -1; }

/* Transaction table (cards on mobile, table on desktop) */
.tx-table { width: 100%; border-collapse: collapse; }
.tx-table thead { display: none; }
.tx-table tr {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-1) var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  margin-bottom: var(--sp-2);
  align-items: center;
}
.tx-table td { padding: 0; border: 0; vertical-align: middle; }
.tx-table .tx-desc { font-weight: 650; min-width: 0; overflow-wrap: anywhere; }
.tx-table .tx-meta {
  grid-column: 1;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  align-items: center;
}
.tx-table .tx-amount {
  grid-row: 1 / span 2;
  grid-column: 2;
  text-align: right;
  font-weight: 700;
  font-size: var(--fs-md);
  white-space: nowrap;
}
.tx-table .tx-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--sp-1);
  justify-content: flex-end;
  border-top: 1px dashed var(--c-border);
  padding-top: var(--sp-2);
}

.totals { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.totals__item { display: flex; gap: var(--sp-2); align-items: baseline; }
.totals__label { color: var(--c-text-muted); }
.totals__value { font-weight: 700; }

/* -------------------------------------------------------------
   9. FORMS
   ------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: var(--sp-4); }

.form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

.field { display: flex; flex-direction: column; gap: var(--sp-1); min-width: 0; }
.field--inline { flex: 1 1 8rem; }

.field > label {
  font-size: var(--fs-sm);
  font-weight: 650;
  color: var(--c-text);
}
.field .req { color: var(--c-danger); margin-left: 2px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  min-height: 42px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md);
  background: var(--c-surface);
  color: var(--c-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { min-height: 72px; resize: vertical; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-brand) 22%, transparent);
}

.field input[type="number"] { font-variant-numeric: tabular-nums; }

.field__hint { font-size: var(--fs-xs); color: var(--c-text-muted); }

.field__error {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--c-danger);
  display: none;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: var(--c-danger); }
.field.has-error .field__error { display: block; }

.form__error {
  display: none;
  padding: var(--sp-3);
  border-radius: var(--r-md);
  background: var(--c-danger-soft);
  color: var(--c-danger);
  font-size: var(--fs-sm);
  font-weight: 600;
}
.form__error.is-visible { display: block; }

.form__actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: flex-end;
  flex-wrap: wrap;
  border-top: 1px solid var(--c-border);
  padding-top: var(--sp-4);
}
.form__actions .btn { flex: 1 1 auto; }

.filters {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-surface-2);
  align-items: center;
}
.filters input,
.filters select {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  min-height: 38px;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md);
  background: var(--c-surface);
  color: var(--c-text);
}

/* -------------------------------------------------------------
   10. MODAL / TOASTS / FAB
   ------------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.modal[hidden] { display: none; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--c-overlay);
  animation: fade 160ms ease both;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.modal__panel {
  position: relative;
  width: 100%;
  max-width: 34rem;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  box-shadow: var(--sh-3);
  animation: slide-up 220ms cubic-bezier(.4, 0, .2, 1) both;
}
@keyframes slide-up {
  from { transform: translateY(24px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}

.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-bottom: 1px solid var(--c-border);
}
.modal__head h2 { font-size: var(--fs-lg); }

.modal__body {
  padding: var(--sp-4);
  overflow-y: auto;
  padding-bottom: calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
}

.confirm__text { margin-bottom: var(--sp-4); color: var(--c-text-muted); }

.fab {
  position: fixed;
  right: var(--sp-4);
  bottom: calc(var(--sp-4) + env(safe-area-inset-bottom, 0px));
  z-index: 50;
  width: 56px; height: 56px;
  border: 0;
  border-radius: 50%;
  background: var(--c-brand);
  color: var(--c-brand-contrast);
  font-size: 2rem;
  line-height: 1;
  box-shadow: var(--sh-2);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition);
}
.fab:hover  { background: var(--c-brand-strong); }
.fab:active { transform: scale(.94); }

.toasts {
  position: fixed;
  left: 50%;
  bottom: calc(var(--sp-6) + 40px);
  transform: translateX(-50%);
  z-index: 70;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: min(26rem, calc(100vw - 2rem));
  pointer-events: none;
}
.toast {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  background: var(--c-text);
  color: var(--c-bg);
  box-shadow: var(--sh-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  animation: toast-in 200ms ease both;
}
.toast--ok    { background: var(--c-positive); color: #fff; }
.toast--error { background: var(--c-danger);   color: #fff; }
[data-theme="dark"] .toast--ok,
[data-theme="dark"] .toast--error { color: #0b1120; }
.toast.is-leaving { animation: toast-out 200ms ease both; }

@keyframes toast-in  { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to   { opacity: 0; transform: translateY(10px); } }

/* -------------------------------------------------------------
   11. EMPTY / ERROR STATES
   ------------------------------------------------------------- */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-2);
  padding: var(--sp-6) var(--sp-4);
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--r-md);
  background: var(--c-surface-2);
  color: var(--c-text-muted);
}
.empty__icon { font-size: 2rem; }
.empty__title { font-weight: 700; color: var(--c-text); }
.empty__text { font-size: var(--fs-sm); max-width: 32ch; }
.empty__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; justify-content: center; margin-top: var(--sp-2); }

.banner {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
  padding: var(--sp-3);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--sp-4);
}
.banner--warn  { background: var(--c-warning-soft); color: var(--c-warning); }
.banner--error { background: var(--c-danger-soft);  color: var(--c-danger); }
.banner--info  { background: var(--c-info-soft);    color: var(--c-info); }

/* -------------------------------------------------------------
   12. RESPONSIVE — mobile-first: small tweak down, then grow up
   ------------------------------------------------------------- */

/* Very narrow phones: tighten the tab strip so more tabs are visible. */
@media (max-width: 480px) {
  .tabs [role="tab"] { padding: var(--sp-3) var(--sp-2); font-size: var(--fs-sm); }
  .app-main { padding: var(--sp-3) var(--sp-3) var(--sp-5); }
  .card__head { padding: var(--sp-3); }
  .card__body { padding: var(--sp-3); }
}

@media (min-width: 600px) {
  body { padding-bottom: calc(var(--sp-6) + env(safe-area-inset-bottom, 0px)); }

  .summary-grid { gap: var(--sp-4); }
  .tile { padding: var(--sp-4); }
  .tile__value { font-size: var(--fs-2xl); }

  .menu__label { display: inline; }

  .form__grid--2 { grid-template-columns: 1fr 1fr; }

  .row { grid-template-columns: 1fr auto auto; }
  .row__actions {
    grid-column: auto;
    border-top: 0;
    padding-top: 0;
  }

  .tx-table tr { grid-template-columns: 1fr auto auto; }
  .tx-table .tx-actions {
    grid-column: 3;
    grid-row: 1 / span 2;
    border-top: 0;
    padding-top: 0;
    align-items: center;
  }
  .tx-table .tx-amount { grid-column: 2; }

  /* Carry strip becomes one row: in · actions · out */
  .carry {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: var(--sp-4);
    margin-bottom: var(--sp-4);
  }
  .carry__part--out {
    padding-top: 0;
    padding-left: var(--sp-4);
    border-top: 0;
    border-left: 1px dashed var(--c-border);
    text-align: right;
    align-items: flex-end;
  }
  .carry__part--out .carry__value { font-size: var(--fs-lg); }

  .modal { align-items: center; padding: var(--sp-4); }
  .modal__panel { border-radius: var(--r-lg); }

  .form__actions .btn { flex: 0 0 auto; }
  .filters input, .filters select { width: auto; }
}

@media (min-width: 900px) {
  .app-header__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand month actions";
    padding: var(--sp-3) var(--sp-5);
  }
  .month-nav { justify-self: center; min-width: 22rem; }

  .app-main { padding: var(--sp-5) var(--sp-5) var(--sp-7); }

  .summary-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .panel-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .fab { display: none; }
  .toasts { bottom: var(--sp-5); }
}

@media (min-width: 1100px) {
  .tabs { padding: 0 var(--sp-5); }
}

/* -------------------------------------------------------------
   13. MOTION & PRINT
   ------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .app-header__actions,
  .month-nav button,
  .tabs-wrap,
  .fab,
  .row__actions,
  .tx-actions,
  .filters,
  .toasts { display: none !important; }

  body { background: #fff; }
  .view[hidden] { display: block !important; }
  .card { break-inside: avoid; box-shadow: none; }
}