:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --bg4: #222232;
  --border: #2a2a3a;
  --text: #e8e8f0;
  --text2: #8888aa;
  --text3: #4444aa;
  --accent: #7c6dfa;
  --accent2: #fa6d9a;
  --accent3: #6dfad0;
  --accent4: #fad06d;
  --green: #4ade80;
  --red: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Syne', sans-serif;
  --mono: 'DM Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  overflow-x: hidden;
}

/* ===== LAYOUT ===== */
#app { padding-bottom: 90px; min-height: 100vh; }
.screen { display: none; animation: fadeUp .3s ease; }
.screen.active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== HEADER ===== */
.header {
  padding: 20px 20px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.header-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px; }
.header-sub { font-size: 0.75rem; color: var(--text2); font-family: var(--mono); margin-top: 2px; }
.logo-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 6px; vertical-align: middle; box-shadow: 0 0 12px var(--accent); }

.pill {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.75rem;
  font-family: var(--mono);
  color: var(--text2);
  cursor: pointer;
  transition: all .2s;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }

/* ===== BOTTOM NAV ===== */
.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px;
  background: rgba(17,17,24,0.92);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
  padding: 8px 0 16px;
}
.nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  gap: 4px; cursor: pointer; padding: 6px 0;
  transition: all .2s;
  color: var(--text3);
  font-size: 0.65rem; font-family: var(--mono); letter-spacing: 0.5px;
  -webkit-tap-highlight-color: transparent;
}
.nav-item.active { color: var(--accent); }
.nav-item svg { transition: transform .2s; }
.nav-item.active svg { transform: translateY(-2px); filter: drop-shadow(0 0 6px var(--accent)); }
.nav-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); margin: 0 auto;
  opacity: 0; transition: opacity .2s;
}
.nav-item.active .nav-dot { opacity: 1; }

/* ===== CARDS ===== */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin: 12px 16px;
  transition: border-color .2s;
}
.card:hover { border-color: var(--bg4); }
.card-title {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text2); font-family: var(--mono); margin-bottom: 12px;
}

/* ===== DASHBOARD ===== */
.balance-hero {
  margin: 20px 16px 0;
  background: linear-gradient(135deg, #1a1030 0%, #0f1a20 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative; overflow: hidden;
}
.balance-hero::before {
  content: '';
  position: absolute; top: -40px; right: -40px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(124,109,250,0.2) 0%, transparent 70%);
  border-radius: 50%;
}
.balance-hero::after {
  content: '';
  position: absolute; bottom: -30px; left: 20px;
  width: 100px; height: 100px;
  background: radial-gradient(circle, rgba(109,250,208,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.balance-label { font-size: 0.72rem; color: var(--text2); font-family: var(--mono); letter-spacing: 1px; text-transform: uppercase; }
.balance-amount {
  font-size: 2.4rem; font-weight: 800; letter-spacing: -1.5px;
  margin: 6px 0 4px; line-height: 1;
}
.balance-amount.positive { color: var(--accent3); }
.balance-amount.negative { color: var(--accent2); }
.balance-month { font-size: 0.75rem; color: var(--text2); font-family: var(--mono); }
.balance-row { display: flex; gap: 16px; margin-top: 20px; }
.balance-item { flex: 1; }
.balance-item .bi-label { font-size: 0.65rem; color: var(--text2); font-family: var(--mono); letter-spacing: 0.5px; }
.balance-item .bi-value { font-size: 1.05rem; font-weight: 700; margin-top: 3px; }
.bi-value.inc { color: var(--green); }
.bi-value.exp { color: var(--red); }

.month-selector {
  display: flex; gap: 6px; overflow-x: auto; padding: 12px 16px 0;
  scrollbar-width: none;
}
.month-selector::-webkit-scrollbar { display: none; }
.month-btn {
  flex-shrink: 0; padding: 7px 14px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 20px; color: var(--text2);
  font-family: var(--mono); font-size: 0.72rem; cursor: pointer;
  transition: all .2s; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.month-btn.active {
  background: var(--accent); border-color: var(--accent);
  color: white; box-shadow: 0 0 16px rgba(124,109,250,0.4);
}

/* CHART BAR */
.bar-chart { padding: 4px 0; }
.bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.bar-label { font-size: 0.72rem; color: var(--text2); font-family: var(--mono); width: 90px; flex-shrink: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { flex: 1; height: 8px; background: var(--bg4); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 4px; transition: width .6s cubic-bezier(.4,0,.2,1); }
.bar-value { font-size: 0.7rem; font-family: var(--mono); color: var(--text2); width: 70px; text-align: right; flex-shrink: 0; }

/* Donut */
.donut-wrap { display: flex; align-items: center; gap: 16px; }
.donut-svg { flex-shrink: 0; }
.donut-legend { flex: 1; }
.legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.legend-label { font-size: 0.72rem; color: var(--text2); font-family: var(--mono); flex: 1; }
.legend-pct { font-size: 0.72rem; font-family: var(--mono); font-weight: 600; }

/* Budget vs Real */
.bvr-row { margin-bottom: 14px; }
.bvr-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 5px; }
.bvr-name { font-size: 0.8rem; font-weight: 600; }
.bvr-vals { font-size: 0.7rem; font-family: var(--mono); color: var(--text2); }
.bvr-track { height: 6px; background: var(--bg4); border-radius: 3px; position: relative; overflow: hidden; }
.bvr-budget { height: 100%; background: var(--border); border-radius: 3px; position: absolute; }
.bvr-real { height: 100%; border-radius: 3px; position: absolute; transition: width .6s; }
.bvr-real.ok { background: var(--accent3); }
.bvr-real.warn { background: var(--accent4); }
.bvr-real.over { background: var(--accent2); }

/* ===== GASTOS SCREEN ===== */
.fab {
  position: fixed; bottom: 90px; right: 16px;
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 24px rgba(124,109,250,0.5);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1.5rem; line-height: 1;
  transition: transform .2s, box-shadow .2s;
  z-index: 90;
  -webkit-tap-highlight-color: transparent;
}
.fab:hover { transform: scale(1.08); box-shadow: 0 0 32px rgba(124,109,250,0.7); }

.gastos-list { padding: 0 16px; }
.gasto-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 8px;
  transition: border-color .2s;
  cursor: pointer;
}
.gasto-item:hover { border-color: var(--accent); }
.gasto-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.gasto-info { flex: 1; min-width: 0; }
.gasto-name { font-size: 0.88rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gasto-meta { font-size: 0.68rem; font-family: var(--mono); color: var(--text2); margin-top: 2px; }
.gasto-amount { font-size: 0.9rem; font-weight: 700; font-family: var(--mono); flex-shrink: 0; }

.filter-row { display: flex; gap: 6px; overflow-x: auto; padding: 8px 16px; scrollbar-width: none; }
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip {
  flex-shrink: 0; padding: 5px 12px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 20px; color: var(--text2);
  font-family: var(--mono); font-size: 0.68rem;
  cursor: pointer; transition: all .15s;
  -webkit-tap-highlight-color: transparent;
}
.filter-chip.active { border-color: var(--accent2); color: var(--accent2); background: rgba(250,109,154,0.08); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 200; opacity: 0; pointer-events: none;
  transition: opacity .25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px 24px 0 0;
  padding: 24px 20px 40px;
  width: 100%; max-width: 480px;
  transform: translateY(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-handle { width: 40px; height: 4px; background: var(--border); border-radius: 2px; margin: 0 auto 20px; }
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }

.form-group { margin-bottom: 16px; }
.form-label { font-size: 0.7rem; color: var(--text2); font-family: var(--mono); letter-spacing: 0.8px; text-transform: uppercase; display: block; margin-bottom: 7px; }
.form-input, .form-select {
  width: 100%; background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text); font-family: var(--mono); font-size: 0.88rem;
  outline: none; transition: border-color .2s;
  appearance: none;
}
.form-input:focus, .form-select:focus { border-color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn-primary {
  width: 100%; padding: 15px;
  background: var(--accent); color: white;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.9rem; font-weight: 700;
  cursor: pointer; transition: all .2s;
  letter-spacing: 0.3px; margin-top: 6px;
}
.btn-primary:hover { box-shadow: 0 0 24px rgba(124,109,250,0.5); transform: translateY(-1px); }
.btn-danger {
  width: 100%; padding: 12px;
  background: transparent; color: var(--accent2);
  border: 1px solid var(--accent2); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all .2s; margin-top: 8px;
}

/* ===== PRESUPUESTO SCREEN ===== */
.tabs-row { display: flex; gap: 0; margin: 12px 16px; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px; }
.tab-btn {
  flex: 1; padding: 9px; text-align: center;
  font-size: 0.75rem; font-family: var(--mono); color: var(--text2);
  border-radius: 8px; cursor: pointer; transition: all .2s;
  -webkit-tap-highlight-color: transparent;
}
.tab-btn.active { background: var(--accent); color: white; box-shadow: 0 0 12px rgba(124,109,250,0.3); }

.presup-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
}
.presup-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; flex-shrink: 0; }
.presup-info { flex: 1; min-width: 0; }
.presup-name { font-size: 0.82rem; font-weight: 600; }
.presup-sub { font-size: 0.65rem; font-family: var(--mono); color: var(--text2); margin-top: 2px; }
.presup-right { text-align: right; flex-shrink: 0; }
.presup-budget { font-size: 0.78rem; font-family: var(--mono); color: var(--text2); }
.presup-real { font-size: 0.9rem; font-weight: 700; font-family: var(--mono); }

/* ===== INGRESOS SCREEN ===== */
.ingreso-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 0 16px; }
.ingreso-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px;
}
.ingreso-label { font-size: 0.65rem; font-family: var(--mono); color: var(--text2); letter-spacing: 0.5px; text-transform: uppercase; }
.ingreso-value { font-size: 1.1rem; font-weight: 700; margin-top: 5px; }
.ingreso-month-label { font-size: 0.68rem; font-family: var(--mono); color: var(--accent); margin-top: 3px; }

.ingreso-list-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.ili-left .ili-name { font-size: 0.85rem; font-weight: 600; }
.ili-left .ili-type { font-size: 0.65rem; font-family: var(--mono); color: var(--text2); margin-top: 2px; }
.ili-amount { font-size: 0.9rem; font-weight: 700; font-family: var(--mono); color: var(--green); }
.ili-budget { font-size: 0.65rem; font-family: var(--mono); color: var(--text2); text-align: right; margin-top: 2px; }

.empty-state {
  text-align: center; padding: 48px 20px; color: var(--text2);
  font-family: var(--mono); font-size: 0.8rem;
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }

.section-divider {
  padding: 10px 16px 6px;
  font-size: 0.65rem; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--text3); font-family: var(--mono);
}

/* Scrollbar */
::-webkit-scrollbar { width: 0; }

/* Edit mode */
.edit-inline {
  background: transparent; border: none; border-bottom: 1px dashed var(--border);
  color: var(--text); font-family: var(--mono); font-size: inherit;
  font-weight: inherit; width: 80px; text-align: right; outline: none; padding: 2px 4px;
}
.edit-inline:focus { border-bottom-color: var(--accent); }

/* Toast */
.toast {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%) translateY(10px);
  background: var(--bg3); border: 1px solid var(--accent);
  border-radius: 20px; padding: 8px 18px;
  font-size: 0.78rem; font-family: var(--mono); color: var(--accent);
  opacity: 0; transition: all .3s; z-index: 300; white-space: nowrap;
  box-shadow: 0 0 20px rgba(124,109,250,0.3);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Glow accent line */
.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4; margin: 0 16px 4px;
}

/* Summary badges */
.summary-badges { display: flex; gap: 8px; padding: 8px 16px; flex-wrap: wrap; }
.badge {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; flex: 1; min-width: 100px;
}
.badge-icon { font-size: 1rem; }
.badge-right {}
.badge-val { font-size: 0.9rem; font-weight: 700; font-family: var(--mono); }
.badge-lbl { font-size: 0.6rem; font-family: var(--mono); color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 1px; }