/* ── Reset ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Maritime dark palette ───────────────────────────────────────────── */
:root {
  --bg:       #111519;
  --bg2:      #181d22;
  --card:     #1c2229;
  --border:   rgba(200, 192, 178, 0.07);
  --text:     #c8c2b6;
  --muted:    #5e574e;
  --hint:     #7a7268;
  --accent:   #4a7068;
  --accent2:  #3a5c55;
  --income:   #4e6e52;
  --expense:  #6e4c42;
  --income-t: #8aaa8e;
  --expense-t:#aa7a6e;
  --radius:   12px;
  --nav-h:    62px;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'Inter', -apple-system, sans-serif;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ── Make all emojis grayscale ───────────────────────────────────────── */
.cat-emoji, .tx-emoji, .menu-icon, .balance-icon,
.empty-icon, .stat-emoji {
  filter: grayscale(1) opacity(0.65);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
}

#screen-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom) + 8px);
}

/* ── Bottom nav ──────────────────────────────────────────────────────── */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--bg2);
  display: flex;
  border-top: 1px solid var(--border);
  z-index: 100;
}
#bottom-nav.hidden { display: none; }

.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .2s;
  padding: 8px 0;
  -webkit-tap-highlight-color: transparent;
}
.nav-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  transition: stroke .2s;
}
.nav-btn.active { color: var(--text); }

/* ── Screen & animations ─────────────────────────────────────────────── */
.screen { padding: 20px 16px; animation: fadeIn .18s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; } }

/* ── Cards ───────────────────────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 20px;
  border-radius: var(--radius);
  border: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: opacity .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { opacity: .7; }

.btn-primary { background: var(--accent);  color: var(--text); }
.btn-danger  { background: var(--expense); color: var(--text); }
.btn-ghost   {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--hint);
}
.btn-full { width: 100%; }

/* ── Inputs ──────────────────────────────────────────────────────────── */
input[type="text"],
input[type="number"],
select {
  width: 100%;
  background: rgba(200, 192, 178, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px; /* 16px minimum prevents iOS auto-zoom */
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s;
  -webkit-appearance: none;
}
input:focus, select:focus { border-color: var(--accent); }
select option { background: var(--card); color: var(--text); }

label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}
.form-group { margin-bottom: 14px; }

/* ── Section title ───────────────────────────────────────────────────── */
.section-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 400;
  font-style: italic;
  color: var(--hint);
  margin: 18px 0 10px;
  letter-spacing: 0.2px;
}

/* ── Home ────────────────────────────────────────────────────────────── */
.home-date {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--muted);
  text-align: center;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}

.balance-card {
  text-align: center;
  padding: 28px 16px 22px;
}
.balance-icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.balance-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.balance-amount {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -1px;
  line-height: 1;
}
.balance-amount.positive { color: var(--income-t); }
.balance-amount.negative { color: var(--expense-t); }

.balance-sub {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.balance-sub-item { text-align: center; }
.balance-sub-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}
.balance-sub-val { font-size: 15px; font-weight: 500; }
.balance-sub-val.inc { color: var(--income-t); }
.balance-sub-val.exp { color: var(--expense-t); }

.action-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

/* ── Category grid ───────────────────────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.cat-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 6px;
  background: rgba(200, 192, 178, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
}
.cat-btn:active,
.cat-btn.selected {
  border-color: var(--accent);
  background: rgba(74, 112, 104, 0.12);
}
.cat-emoji { font-size: 22px; line-height: 1; }
.cat-name  {
  font-size: 12px;
  font-weight: 500;
  color: var(--hint);
  text-align: center;
  line-height: 1.3;
  letter-spacing: 0.1px;
}

/* ── Amount input ────────────────────────────────────────────────────── */
.amount-big {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 400;
  text-align: center;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  color: var(--text);
  padding: 8px 4px;
  letter-spacing: -0.5px;
  width: 100%;
}
.amount-big:focus { border-bottom-color: var(--accent); outline: none; }

/* ── Stats — month nav ───────────────────────────────────────────────── */
.stats-month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}
.stats-nav-arrow {
  background: none;
  border: none;
  color: var(--hint);
  font-size: 26px;
  line-height: 1;
  padding: 4px 10px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: color .15s;
}
.stats-nav-arrow:active { color: var(--text); }
.stats-month-label {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 500;
  font-style: italic;
  color: var(--text);
  letter-spacing: 0.3px;
  min-width: 180px;
  text-align: center;
}

/* ── Stats — type tabs ───────────────────────────────────────────────── */
.stats-type-tabs {
  display: flex;
  background: rgba(200, 192, 178, 0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px;
  margin-bottom: 16px;
}
.stats-type-btn {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: none;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: all .2s;
  -webkit-tap-highlight-color: transparent;
}
.stats-type-btn.active {
  background: var(--accent2);
  color: var(--text);
}

/* ── Stats — summary row ─────────────────────────────────────────────── */
.stats-summary-row {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 0;
  margin-bottom: 10px;
}
.stats-summary-item { flex: 1; text-align: center; }
.stats-summary-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.stats-summary-val { font-size: 16px; font-weight: 600; }
.stats-summary-val.inc { color: var(--income-t); }
.stats-summary-val.exp { color: var(--expense-t); }
.stats-summary-divider { width: 1px; height: 36px; background: var(--border); }

/* ── Stats — chart ───────────────────────────────────────────────────── */
.chart-wrap { position: relative; height: 280px; margin: 4px 0 16px; }

.chart-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.chart-center-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.chart-center-amount {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.5px;
}

/* ── Stats — category list ───────────────────────────────────────────── */
.stats-cat-list { display: flex; flex-direction: column; gap: 2px; }
.stats-cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.stats-cat-row:last-child { border-bottom: none; }
.stats-cat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stats-cat-emoji {
  font-size: 20px;
  width: 28px;
  text-align: center;
  filter: grayscale(1) opacity(0.65);
  flex-shrink: 0;
}
.stats-cat-info { flex: 1; min-width: 0; }
.stats-cat-name {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stats-cat-bar  { height: 3px; background: rgba(200,192,178,.08); border-radius: 2px; overflow: hidden; }
.stats-cat-fill { height: 100%; border-radius: 2px; opacity: 0.75; }
.stats-cat-right { text-align: right; flex-shrink: 0; }
.stats-cat-amount { font-size: 14px; font-weight: 500; color: var(--text); }
.stats-cat-pct { font-size: 11px; color: var(--muted); margin-top: 2px; }

.stat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.stat-row:last-child { border-bottom: none; }
.stat-emoji { font-size: 20px; width: 28px; text-align: center; }
.stat-info  { flex: 1; }
.stat-name  { font-size: 14px; color: var(--text); }
.stat-bar   { height: 3px; background: rgba(200,192,178,.1); border-radius: 2px; margin-top: 5px; }
.stat-fill  { height: 100%; border-radius: 2px; }
.stat-amount { font-size: 13px; font-weight: 500; white-space: nowrap; color: var(--hint); }

/* ── Transactions (history) ──────────────────────────────────────────── */
.tx-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
}
.tx-emoji { font-size: 22px; width: 32px; text-align: center; }
.tx-info  { flex: 1; min-width: 0; }
.tx-name  { font-size: 14px; font-weight: 500; color: var(--text); }
.tx-meta  { font-size: 12px; color: var(--muted); margin-top: 2px; letter-spacing: 0.1px; }
.tx-note  { font-size: 11px; color: var(--hint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tx-amount { font-size: 15px; font-weight: 600; white-space: nowrap; }
.tx-amount.income  { color: var(--income-t); }
.tx-amount.expense { color: var(--expense-t); }
.tx-delete {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 14px;
  padding: 6px 8px;
  cursor: pointer;
  transition: color .2s;
}
.tx-delete:active { color: var(--expense-t); }

/* ── Limits ──────────────────────────────────────────────────────────── */
.limit-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.limit-item:last-child { border-bottom: none; }
.limit-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.limit-name { font-size: 14px; color: var(--text); }
.limit-amounts { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.limit-bar { height: 3px; background: rgba(200,192,178,.1); border-radius: 2px; overflow: hidden; }
.limit-fill { height: 100%; border-radius: 2px; transition: width .4s; }
.limit-fill.ok       { background: var(--income-t); }
.limit-fill.warning  { background: #8a7a4a; }
.limit-fill.critical { background: var(--expense-t); }

/* ── Menu (More screen) ──────────────────────────────────────────────── */
.menu-list { list-style: none; }
.menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .15s;
  -webkit-tap-highlight-color: transparent;
}
.menu-item:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.menu-item:last-child  { border-radius: 0 0 var(--radius) var(--radius); border-bottom: none; }
.menu-item:active { background: rgba(200, 192, 178, 0.05); }
.menu-icon  { font-size: 20px; width: 28px; text-align: center; }
.menu-label { flex: 1; font-size: 15px; color: var(--text); }
.menu-chevron { color: var(--muted); font-size: 18px; }

/* ── Toast ───────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
  white-space: nowrap;
  letter-spacing: 0.1px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.warning  { border-color: rgba(138, 122, 74, 0.4); }
.toast.critical { border-color: rgba(110, 76, 66, 0.5); }

/* ── Spinner ─────────────────────────────────────────────────────────── */
.spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.spinner::after {
  content: '';
  width: 28px;
  height: 28px;
  border: 2px solid rgba(200, 192, 178, 0.08);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty {
  text-align: center;
  padding: 56px 16px;
  color: var(--muted);
}
.empty-icon { font-size: 40px; margin-bottom: 14px; opacity: .5; }
.empty-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  color: var(--muted);
}

/* ── Limit warning banner ────────────────────────────────────────────── */
.limit-banner {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  margin: 10px 0;
  border: 1px solid;
}
.limit-banner.warning  { background: rgba(138,122,74,.1); border-color: rgba(138,122,74,.25); color: #a89a60; }
.limit-banner.critical { background: rgba(110,76,66,.1);  border-color: rgba(110,76,66,.25);  color: #aa7a6e; }

/* ── Back button row ─────────────────────────────────────────────────── */
.screen-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.screen-header h2 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  letter-spacing: 0.2px;
}

/* ── Page title (no back btn) ────────────────────────────────────────── */
.page-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: 0.2px;
}

/* ── Badge ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.badge-income  { background: rgba(78, 110, 82, .2); color: var(--income-t); }
.badge-expense { background: rgba(110, 76, 66, .2); color: var(--expense-t); }

/* ── Delete confirmation sheet ───────────────────────────────────────── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  z-index: 200;
  animation: fadeIn .15s ease;
}
.confirm-overlay.hidden { display: none; }
.confirm-sheet {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg2);
  border-radius: var(--radius) var(--radius) 0 0;
  border-top: 1px solid var(--border);
  padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
}
.confirm-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--text);
  margin-bottom: 6px;
}
.confirm-body {
  font-size: 14px;
  color: var(--hint);
  margin-bottom: 20px;
}
.confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* ── AI Teaser banner ────────────────────────────────────────────────── */
.ai-teaser-card {
  background: var(--card);
  border: 1px solid rgba(74, 112, 104, 0.2);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 10px;
  position: relative;
  overflow: hidden;
}
.ai-teaser-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(74,112,104,0.4), transparent);
}
.ai-teaser-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.ai-teaser-icon {
  font-size: 18px;
  color: var(--accent);
  line-height: 1;
  opacity: 0.8;
}
.ai-teaser-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-style: italic;
  color: var(--text);
  letter-spacing: 0.2px;
}
.ai-teaser-body {
  font-size: 13px;
  color: var(--hint);
  line-height: 1.55;
  margin-bottom: 12px;
}
.ai-teaser-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.4px;
  background: rgba(74, 112, 104, 0.1);
  border: 1px solid rgba(74, 112, 104, 0.2);
  color: var(--accent);
  text-transform: uppercase;
}

/* ── Home — category quick-grid ────────────────────────────────────── */
.home-cat-section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 10px;
  padding: 0 2px;
}
.home-cat-section-title.exp { color: var(--expense-t); }
.home-cat-section-title.inc { color: var(--income-t); }

.home-cat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.home-cat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border-radius: 12px;
  background: var(--bg);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .12s, transform .12s;
  -webkit-tap-highlight-color: transparent;
}
.home-cat-item:active { transform: scale(0.91); background: var(--border); }
.home-cat-emoji { font-size: 28px; line-height: 1; }
.home-cat-name { display: none; }
.home-cat-divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

/* ── Quick-add sheet ─────────────────────────────────────────────────── */
.quick-add-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  padding: 60px 12px 0;
  transition: opacity .2s;
}
.quick-add-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}
.quick-add-sheet {
  width: 100%;
  background: var(--card);
  border-radius: 20px;
  padding: 20px 16px 24px;
  transform: translateY(-12px);
  opacity: 0;
  transition: transform .22s cubic-bezier(.32,1,.4,1), opacity .18s;
}
.quick-add-overlay:not(.hidden) .quick-add-sheet {
  transform: translateY(0);
  opacity: 1;
}
.quick-add-handle {
  width: 36px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin: 0 auto 18px;
}
.quick-add-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.quick-add-emoji { font-size: 38px; line-height: 1; }
.quick-add-type {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.quick-add-type.expense { color: var(--expense-t); }
.quick-add-type.income  { color: var(--income-t); }
.quick-add-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-style: italic;
  color: var(--text);
}