/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0c0c0e;
  --bg2:        #111114;
  --bg3:        #17171c;
  --border:     rgba(255,255,255,0.07);
  --border-md:  rgba(255,255,255,0.12);
  --text:       #e8e6e1;
  --text-muted: #6b6a72;
  --text-dim:   #38373f;
  --accent:     #c8ff5a;
  --accent2:    #5affc8;
  --danger:     #ff5a5a;
  --warning:    #ffb85a;

  --c-transport: #ff7a45;
  --c-food:      #ffb845;
  --c-cloth:     #a78bfa;
  --c-free:      #4ade80;

  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius:    10px;
  --radius-lg: 16px;
  --transition: 0.18s ease;
}

html { font-size: 17px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== BACKGROUND GRID ===== */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(200,255,90,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,255,90,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ===== HEADER ===== */
header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2.5rem;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-mark {
  display: block;
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 6px;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 3px;
  background: var(--bg);
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo-text em {
  font-style: normal;
  color: var(--accent);
}

.header-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

/* ===== MAIN ===== */
main {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 2.5rem 3rem;
}

/* ===== METRICS BAR ===== */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 2rem;
}

@media (max-width: 1100px) { .metrics-bar { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px)  { .metrics-bar { grid-template-columns: repeat(2, 1fr); } }

.metric-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color var(--transition);
}
.metric-card:hover { border-color: var(--border-md); }
.metric-card.danger { border-color: rgba(255,90,90,0.25); }
.metric-card.success { border-color: rgba(74,222,128,0.25); }

.mc-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.mc-value {
  font-size: 1.5rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.2;
  transition: color var(--transition);
}
.mc-value.positive { color: var(--c-free); }
.mc-value.negative { color: var(--danger); }
.mc-value.accent   { color: var(--accent); }

.mc-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ===== CONTENT GRID ===== */
.content-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1050px) { .content-grid { grid-template-columns: 1fr; } }

/* ===== PANELS ===== */
.panel {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ===== SLIDERS PANEL ===== */
.sliders-panel {
  padding: 0;
}

.slider-group {
  padding: 1.25rem 1.4rem;
  border-bottom: 1px solid var(--border);
}
.slider-group:last-child { border-bottom: none; }

.group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
}

.group-icon {
  font-size: 0.7rem;
  color: var(--accent);
  line-height: 1;
}

.group-title {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.slider-row {
  margin-bottom: 0.85rem;
}
.slider-row:last-child { margin-bottom: 0; }

.slider-row label {
  display: block;
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 5px;
  font-weight: 300;
}

.slider-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-val {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--accent);
  min-width: 58px;
  text-align: right;
  flex-shrink: 0;
}

/* ===== RANGE INPUT ===== */
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 3px;
  background: var(--border-md);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  position: relative;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(200,255,90,0.15);
}

input[type=range]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

/* ===== RESULTS PANEL ===== */
.results-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ===== BREAKDOWN ===== */
.breakdown-box {
  border-bottom: 1px solid var(--border);
}

.breakdown-header {
  padding: 1rem 1.4rem 0.75rem;
  font-size: 0.74rem;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.breakdown-list { }

.brow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1.4rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  transition: background var(--transition);
}
.brow:last-child { border-bottom: none; }
.brow:hover { background: rgba(255,255,255,0.02); }

.brow.total {
  background: rgba(255,255,255,0.03);
  font-weight: 500;
  font-size: 0.95rem;
}

.brow-left {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.brow-cat {
  font-size: 0.68rem;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid transparent;
}
.brow-cat.cat-transporte {
  color: var(--c-transport);
  background: rgba(255,122,69,0.12);
  border-color: rgba(255,122,69,0.25);
}
.brow-cat.cat-comida {
  color: var(--c-food);
  background: rgba(255,184,69,0.12);
  border-color: rgba(255,184,69,0.25);
}
.brow-cat.cat-ropa {
  color: var(--c-cloth);
  background: rgba(167,139,250,0.12);
  border-color: rgba(167,139,250,0.25);
}

.brow-amt {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.88rem;
}
.brow-amt.neg { color: var(--danger); }
.brow-amt.pos { color: var(--c-free); }
.brow-amt.neutral { color: var(--accent); }

/* ===== CHARTS ===== */
.charts-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 750px) { .charts-section { grid-template-columns: 1fr; } }

.chart-wrap {
  padding: 1.2rem 1.4rem;
}
.chart-wrap:first-child {
  border-right: 1px solid var(--border);
}

.chart-title {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.chart-canvas-wrap {
  position: relative;
  width: 100%;
}

/* ===== LEGEND ===== */
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 1rem 1.4rem;
}

.leg-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.leg-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ===== FOOTER ===== */
footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border);
  padding: 1rem 2.5rem;
  text-align: center;
  font-size: 0.76rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

header         { animation: fadeUp 0.5s ease both; }
.metrics-bar   { animation: fadeUp 0.5s 0.1s ease both; }
.content-grid  { animation: fadeUp 0.5s 0.2s ease both; }

.metric-card { animation: fadeUp 0.4s ease both; }
.metric-card:nth-child(1) { animation-delay: 0.08s; }
.metric-card:nth-child(2) { animation-delay: 0.13s; }
.metric-card:nth-child(3) { animation-delay: 0.18s; }
.metric-card:nth-child(4) { animation-delay: 0.23s; }
.metric-card:nth-child(5) { animation-delay: 0.28s; }
.metric-card:nth-child(6) { animation-delay: 0.33s; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }