/* ==========================================================================
   POCKET BUDGET — dark retro handheld theme (pixel fonts, chunky frames,
   stepped animations). Colours/fonts are all CSS variables below.
   ========================================================================== */
:root {
  --bg: #120e2a;
  --bg-2: #1a1540;
  --surface: #221b52;
  --surface-2: #2d2569;
  --outline: #07041a;
  --hi: rgba(255, 255, 255, .10);
  --lo: rgba(0, 0, 0, .35);
  --text: #f1edff;
  --muted: #a79de0;
  --border: #3a3187;
  --primary: #6d5cff;
  --primary-soft: #2f2878;
  --accent: #ffd23f;
  --green: #4ff08a;
  --green-soft: #12391f;
  --red: #ff5470;
  --red-soft: #45142a;
  --seg-bus: #ffb02e;
  --seg-budgets: #43c6ff;
  --seg-saving: #b794ff;
  --seg-spent: #8b86b3;
  --seg-safe: #4ff08a;

  /* Notched pixel frame + bevel, reused on every box */
  --frame: -4px 0 0 0 var(--outline), 4px 0 0 0 var(--outline), 0 -4px 0 0 var(--outline), 0 4px 0 0 var(--outline);
  --bevel: inset 4px 4px 0 0 var(--hi), inset -4px -4px 0 0 var(--lo);

  --font-pixel: 'Press Start 2P', 'Courier New', monospace;
  --font-body: 'VT323', 'Courier New', monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.3rem;
  line-height: 1.2;
  color: var(--text);
  background-color: var(--bg);
  /* checkerboard dither */
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, .03) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, .03) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, .03) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, .03) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: none;
}

/* LCD scanlines over everything */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 2000; pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0, transparent 2px, rgba(0, 0, 0, .13) 3px);
}

.app { max-width: 880px; margin: 0 auto; padding: 20px 20px 56px; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px 20px; flex-wrap: wrap; padding: 4px 0 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.title {
  margin: 0; font-family: var(--font-pixel); font-size: 1rem; line-height: 1.4;
  text-transform: uppercase; color: var(--accent);
  text-shadow: 3px 3px 0 var(--outline), 5px 5px 0 var(--primary);
}
.top-controls { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.month-picker {
  display: flex; align-items: center; gap: 4px; padding: 4px;
  background: var(--surface); box-shadow: var(--frame), var(--bevel);
}
.month-label {
  min-width: 170px; text-align: center; padding: 0 6px;
  font-family: var(--font-pixel); font-size: .65rem; text-transform: uppercase; color: var(--text);
}
.icon-btn {
  width: 40px; height: 40px; border: 0; border-radius: 0; cursor: pointer;
  font-family: var(--font-pixel); font-size: .85rem; color: var(--accent);
  background: var(--surface-2); box-shadow: inset 0 -4px 0 0 var(--lo), inset 0 4px 0 0 var(--hi);
}
.icon-btn:hover { background: var(--primary); color: #fff; }
.icon-btn:active { transform: translateY(2px); box-shadow: inset 0 4px 0 0 var(--lo); }

/* ---------- Sprites ---------- */
.sprite svg { display: block; shape-rendering: crispEdges; image-rendering: pixelated; }
.coin { animation: coin-spin 1s step-end infinite; }
@keyframes coin-spin {
  0%   { transform: scaleX(1); }
  20%  { transform: scaleX(.6); }
  40%  { transform: scaleX(.15); }
  60%  { transform: scaleX(.15); }
  80%  { transform: scaleX(.6); }
  100% { transform: scaleX(1); }
}

/* ---------- Tabs ---------- */
.tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 24px;
}
.tab {
  border: 0; border-radius: 0; cursor: pointer; padding: 14px 8px;
  font-family: var(--font-pixel); font-size: .65rem; text-transform: uppercase;
  color: var(--muted); background: var(--surface);
  box-shadow: var(--frame), var(--bevel);
}
.tab:hover { color: var(--text); background: var(--surface-2); }
.tab[aria-selected="true"] { background: var(--primary); color: #fff; }
.tab[aria-selected="true"]::before { content: '>'; margin-right: 6px; color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Panels & cards ---------- */
.panel { display: grid; gap: 24px; animation: panel-in .35s steps(4) both; }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

.card { background: var(--surface); padding: 20px; box-shadow: var(--frame), var(--bevel); }
.card-title {
  margin: 0 0 18px; font-family: var(--font-pixel); font-size: .75rem; line-height: 1.6;
  text-transform: uppercase; color: var(--accent);
}
.section-title { margin: 26px 0 4px; font-family: var(--font-pixel); font-size: .65rem; text-transform: uppercase; color: var(--accent); }
.muted { color: var(--muted); font-family: var(--font-body); font-size: 1.15rem; text-transform: none; }
.hint { margin: 0 0 14px; color: var(--muted); font-size: 1.2rem; }

/* ---------- Stat cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.stat { padding: 22px 20px; }
.stat-safe { grid-column: 1 / -1; background: var(--primary); }
.stat-label {
  margin: 0; font-family: var(--font-pixel); font-size: .65rem; line-height: 1.5;
  text-transform: uppercase; color: var(--muted);
}
.stat-value {
  margin: 14px 0 10px; font-family: var(--font-pixel); color: var(--text);
  font-size: clamp(1rem, 3vw, 1.35rem); line-height: 1.3; overflow-wrap: anywhere;
}
.stat-safe .stat-value { font-size: clamp(1.4rem, 5.5vw, 2.4rem); color: var(--accent); text-shadow: 4px 4px 0 var(--outline); }
.stat-sub { margin: 0; color: var(--muted); font-size: 1.25rem; }
.stat-safe .stat-label, .stat-safe .stat-sub { color: rgba(255, 255, 255, .85); }
.stat-safe.negative { background: #b3173a; }
.stat-safe.negative .stat-value { color: #fff; animation: blink 1s steps(1) infinite; }
.stat-safe.shake { animation: shake .4s steps(1); }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.bump { animation: bump .35s steps(1); }
@keyframes bump {
  0%   { transform: translateY(0); }
  25%  { transform: translateY(-6px); }
  50%  { transform: translateY(0); }
  75%  { transform: translateY(-3px); }
  100% { transform: translateY(0); }
}

/* ---------- Month split bar (HP-bar style) ---------- */
.split-bar {
  position: relative; display: flex; height: 28px; background: #0d0922;
  box-shadow: var(--frame), inset 0 4px 0 0 rgba(0, 0, 0, .5);
}
.split-bar span { height: 100%; transition: width .5s steps(8); }
.split-bar::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(to right, transparent 0 6px, rgba(0, 0, 0, .3) 6px 8px),
              linear-gradient(to bottom, rgba(255, 255, 255, .22) 0 4px, transparent 4px calc(100% - 4px), rgba(0, 0, 0, .25) calc(100% - 4px));
}
.legend { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 1.25rem; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 8px; }
.legend b { color: var(--text); font-weight: 400; }
.legend i { width: 12px; height: 12px; display: inline-block; box-shadow: 0 0 0 2px var(--outline); }
[data-seg="bus"] { background: var(--seg-bus); }
[data-seg="budgets"] { background: var(--seg-budgets); }
[data-seg="saving"] { background: var(--seg-saving); }
[data-seg="spent"] { background: var(--seg-spent); }
[data-seg="safe"] { background: var(--seg-safe); }

/* ---------- Forms ---------- */
.field { display: block; margin-bottom: 18px; }
.field-label { display: block; margin-bottom: 10px; font-family: var(--font-pixel); font-size: .6rem; line-height: 1.5; text-transform: uppercase; color: var(--muted); }

input {
  width: 100%; border: 0; border-radius: 0; padding: 10px 12px;
  font-family: var(--font-body); font-size: 1.45rem; color: var(--text); background: #0d0922;
  box-shadow: var(--frame), inset 4px 4px 0 0 rgba(0, 0, 0, .5);
  -moz-appearance: textfield; appearance: textfield;
}
input::-webkit-outer-spin-button, input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input::placeholder { color: #5f559f; }
input:focus {
  outline: none; background: #130d30;
  box-shadow: -4px 0 0 0 var(--accent), 4px 0 0 0 var(--accent), 0 -4px 0 0 var(--accent), 0 4px 0 0 var(--accent), inset 4px 4px 0 0 rgba(0, 0, 0, .5);
}
input.invalid, input.invalid:focus {
  box-shadow: -4px 0 0 0 var(--red), 4px 0 0 0 var(--red), 0 -4px 0 0 var(--red), 0 4px 0 0 var(--red), inset 4px 4px 0 0 rgba(0, 0, 0, .5);
}

.input-wrap { position: relative; }
.input-wrap .prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%); pointer-events: none;
  font-family: var(--font-pixel); font-size: .6rem; color: var(--accent);
}
.input-wrap input { padding-left: 46px; }

.inline-form { display: grid; grid-template-columns: 1fr 170px auto; gap: 16px; align-items: center; }
.rows { display: grid; gap: 16px; margin-bottom: 18px; }
.row { display: grid; grid-template-columns: 1fr 150px 48px; gap: 14px; align-items: center; }

.btn {
  position: relative; border: 0; border-radius: 0; cursor: pointer; padding: 15px 16px;
  font-family: var(--font-pixel); font-size: .65rem; line-height: 1.2; text-transform: uppercase; color: #fff;
  background: var(--primary);
  box-shadow: var(--frame), inset 0 -4px 0 0 var(--lo), inset 0 4px 0 0 var(--hi);
}
.btn:hover { filter: brightness(1.18); }
.btn:active { transform: translateY(4px); box-shadow: var(--frame), inset 0 4px 0 0 var(--lo); }
.btn-primary { background: var(--accent); color: #1c1400; }
.btn-ghost { background: var(--surface-2); color: var(--text); }
.btn-small { padding: 11px 12px; font-size: .6rem; }
.btn-buy { background: var(--green); color: #04200f; }
.btn-del { background: #c93352; color: #fff; padding: 11px 12px; font-size: .6rem; }
#save-setup { width: 100%; margin-top: 12px; padding: 18px; font-size: .75rem; }

.preview {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 26px 0 8px; padding: 14px 16px; background: #0d0922;
  box-shadow: var(--frame), inset 4px 4px 0 0 rgba(0, 0, 0, .5);
  font-size: 1.25rem; color: var(--muted);
}
.preview strong { font-family: var(--font-pixel); font-size: .8rem; font-weight: 400; color: var(--accent); }
.preview strong.negative, .cart-summary strong.negative { color: var(--red); }

.error { margin: 16px 0 0; color: var(--red); font-size: 1.3rem; }
.error::before { content: '! '; font-family: var(--font-pixel); font-size: .7rem; }

/* ---------- Lists ---------- */
.list { list-style: none; margin: 0; padding: 0; }
.item { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 4px dotted var(--border); }
.item:last-child { border-bottom: 0; padding-bottom: 0; }
.item:first-child { padding-top: 0; }
.item-main { flex: 1; min-width: 0; }
.item-name { font-size: 1.5rem; overflow-wrap: anywhere; }
.item-meta { color: var(--muted); font-size: 1.15rem; margin-top: 2px; }
.item-amount { font-family: var(--font-pixel); font-size: .7rem; color: var(--accent); white-space: nowrap; }
.item-actions { display: flex; gap: 14px; margin-top: 14px; }
.empty { margin: 0; padding: 14px 0 2px; text-align: center; color: var(--muted); font-size: 1.3rem; }
.empty::after { content: '_'; margin-left: 2px; animation: blink 1s steps(1) infinite; }
.list:not(:empty) + .empty { display: none; }
.pop-in { animation: pop-in .35s steps(4) both; }
@keyframes pop-in {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Cart ---------- */
.cart-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cart-summary > div { display: flex; flex-direction: column; gap: 10px; }
.summary-label { font-family: var(--font-pixel); font-size: .55rem; line-height: 1.5; text-transform: uppercase; color: var(--muted); }
.cart-summary strong { font-family: var(--font-pixel); font-size: .85rem; font-weight: 400; color: var(--text); overflow-wrap: anywhere; }

.cart-item { flex-direction: column; align-items: stretch; gap: 0; border-left: 6px solid transparent; padding-left: 16px; }
.cart-item.is-ok { border-left-color: var(--green); }
.cart-item.is-bad { border-left-color: var(--red); }
.cart-item:first-child, .cart-item:last-child { padding-top: 16px; padding-bottom: 16px; }
.cart-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.badge {
  display: inline-block; max-width: 100%; margin-top: 12px; padding: 8px 10px;
  font-family: var(--font-pixel); font-size: .55rem; line-height: 1.7; text-transform: uppercase;
  box-shadow: 0 0 0 3px var(--outline);
}
.badge-ok { background: var(--green-soft); color: var(--green); }
.badge-bad { background: var(--red-soft); color: var(--red); }

/* ---------- Toast (dialog box) ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 50;
  max-width: calc(100vw - 40px); padding: 14px 18px; text-align: center;
  font-family: var(--font-pixel); font-size: .6rem; line-height: 1.6; text-transform: uppercase;
  color: var(--bg); background: var(--text); box-shadow: var(--frame), inset -4px -4px 0 0 rgba(0, 0, 0, .2);
  animation: pop-up .25s steps(3) both;
}
@keyframes pop-up { from { opacity: 0; margin-bottom: -16px; } to { opacity: 1; margin-bottom: 0; } }

/* ---------- Start screen ---------- */
.splash {
  position: fixed; inset: 0; z-index: 1500; display: flex; align-items: center; justify-content: center;
  padding: 24px; text-align: center; background-color: var(--bg);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, .04) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, .04) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, .04) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, .04) 75%);
  background-size: 8px 8px; background-position: 0 0, 4px 4px;
}
.splash.out { animation: wipe .5s steps(8) forwards; }
@keyframes wipe { to { clip-path: inset(0 0 100% 0); } }
.splash-inner { display: grid; justify-items: center; gap: 28px; }
.splash-coin { animation: float 1.2s steps(2) infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }
.splash-title {
  margin: 0; font-family: var(--font-pixel); font-size: clamp(1.3rem, 7vw, 2.2rem); line-height: 1.5;
  text-transform: uppercase; color: var(--accent);
  text-shadow: 4px 4px 0 var(--primary), 8px 8px 0 var(--outline);
  animation: drop-in .8s steps(8) both;
}
@keyframes drop-in { from { transform: translateY(-80px); opacity: 0; } to { transform: none; opacity: 1; } }
.splash-sub { margin: 0; font-family: var(--font-pixel); font-size: .6rem; text-transform: uppercase; color: var(--muted); }
.splash .btn { font-size: .8rem; padding: 18px 26px; animation: blink 1s steps(1) infinite; }
.splash .btn:hover { animation: none; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
input:focus-visible { outline: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  body { font-size: 1.25rem; }
  .app { padding: 16px 16px 120px; }
  .topbar { padding-bottom: 20px; }
  .top-controls { width: 100%; justify-content: space-between; }
  .month-picker { flex: 1; justify-content: space-between; }
  .month-label { min-width: 0; font-size: .55rem; }

  .cards { grid-template-columns: 1fr; gap: 20px; }
  .inline-form { grid-template-columns: 1fr 1fr; gap: 16px; }
  .inline-form input[type="text"] { grid-column: 1 / -1; }
  .row { grid-template-columns: 1fr 112px 44px; gap: 10px; }
  .cart-summary { grid-template-columns: 1fr; }
  .cart-summary > div { flex-direction: row; justify-content: space-between; align-items: baseline; }

  /* Bottom tab bar like a handheld menu */
  .tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; margin: 0; gap: 10px;
    padding: 14px 14px calc(14px + env(safe-area-inset-bottom, 0px));
    background: var(--bg-2); box-shadow: 0 -4px 0 0 var(--outline);
  }
  .tab { font-size: .55rem; padding: 14px 4px; }
  .tab[aria-selected="true"]::before { display: none; }
  .toast { bottom: 108px; }
}