/* css/main.css — Tomahoxs Facturas Design System */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@400;600&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

:root {
  --char:    #080808;
  --smoke:   #111111;
  --ash:     #1A1A1A;
  --coal:    #242424;
  --slag:    #2E2E2E;
  --mist:    #3A3A3A;
  --steel:   #6B6B6B;
  --silver:  #999999;
  --bone:    #F0EBE1;
  --fire:    #E8440A;
  --ember:   #FF6B1A;
  --gold:    #C8A96E;
  --ok:      #3DBA6A;
  --warn:    #F5A623;
  --danger:  #E8440A;
  --glow:    rgba(232,68,10,.25);
  --r: 8px; --r-sm: 4px; --r-lg: 12px;
}

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

body {
  background: var(--char);
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--bone);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── NOISE OVERLAY ─────────────────────────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  opacity: .4;
}

/* ── APP LAYOUT ────────────────────────────────────────────── */
.app { display: flex; height: 100vh; overflow: hidden; }

/* ── SIDEBAR ───────────────────────────────────────────────── */
.sidebar {
  width: 64px; background: var(--ash); border-right: 1px solid var(--coal);
  display: flex; flex-direction: column; align-items: center;
  padding: 18px 0; gap: 2px; flex-shrink: 0; z-index: 10;
}
.sb-logo {
  font-family: 'Bebas Neue', sans-serif; font-size: 10px; color: var(--fire);
  letter-spacing: 3px; writing-mode: vertical-rl; transform: rotate(180deg);
  margin-bottom: 20px; text-shadow: 0 0 20px var(--glow);
}
.sb-item {
  width: 44px; height: 44px; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 3px;
  border-radius: var(--r-sm); cursor: pointer; position: relative;
  transition: background .15s; text-decoration: none;
}
.sb-item:hover { background: rgba(255,255,255,.04); }
.sb-item.active { background: rgba(232,68,10,.12); }
.sb-item.active::before {
  content: ''; position: absolute; left: -1px; top: 8px; bottom: 8px;
  width: 2px; background: var(--fire);
  box-shadow: 0 0 8px var(--fire), 0 0 16px var(--glow);
  border-radius: 0 2px 2px 0;
}
.sb-item svg { width: 18px; height: 18px; stroke: var(--steel); fill: none; stroke-width: 1.5; transition: stroke .15s; }
.sb-item.active svg { stroke: var(--fire); }
.sb-item .lbl {
  font-family: 'IBM Plex Mono', monospace; font-size: 6px; color: var(--steel);
  letter-spacing: .5px; transition: color .15s;
}
.sb-item.active .lbl { color: var(--fire); }
.sb-divider { width: 28px; height: 1px; background: var(--coal); margin: 6px 0; }
.sb-avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--fire);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif; font-size: 13px; color: white;
  margin-top: auto; margin-bottom: 8px;
  box-shadow: 0 0 0 2px var(--ash), 0 0 0 3px rgba(232,68,10,.3);
}

/* ── MAIN AREA ─────────────────────────────────────────────── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.topbar {
  background: var(--ash); border-bottom: 1px solid var(--coal);
  padding: 0 24px; height: 48px; display: flex; align-items: center;
  justify-content: space-between; flex-shrink: 0;
}
.page-title {
  font-family: 'Bebas Neue', sans-serif; font-size: 18px; color: var(--bone);
  letter-spacing: 3px;
}

.content { flex: 1; overflow-y: auto; padding: 20px 24px; }

/* ── CARDS ─────────────────────────────────────────────────── */
.card {
  background: rgba(255,255,255,.025);
  border: 1px solid var(--coal);
  border-radius: var(--r); padding: 16px;
  backdrop-filter: blur(4px);
}
.card:hover { border-color: var(--slag); }

/* ── KPI GRID ──────────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.kpi-card { background: var(--ash); border: 1px solid var(--coal); border-radius: var(--r); padding: 16px 18px; }
.kpi-label { font-family: 'IBM Plex Mono', monospace; font-size: 8px; color: var(--steel); letter-spacing: 1.5px; margin-bottom: 6px; }
.kpi-value { font-family: 'Bebas Neue', sans-serif; font-size: 28px; color: var(--bone); letter-spacing: 1px; line-height: 1; }
.kpi-value.fire { color: var(--fire); text-shadow: 0 0 30px rgba(232,68,10,.4); }
.kpi-value.gold { color: var(--gold); }
.kpi-value.ok { color: var(--ok); }
.kpi-sub { font-family: 'IBM Plex Mono', monospace; font-size: 8px; color: var(--steel); margin-top: 4px; }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; border-radius: var(--r-sm); cursor: pointer;
  font-family: 'Bebas Neue', sans-serif; letter-spacing: 1.5px;
  transition: all .15s;
}
.btn-primary {
  background: var(--fire); color: white; padding: 8px 16px; font-size: 13px;
  box-shadow: 0 2px 12px rgba(232,68,10,.3);
}
.btn-primary:hover { background: var(--ember); box-shadow: 0 2px 20px rgba(232,68,10,.5); transform: translateY(-1px); }
.btn-secondary {
  background: var(--coal); color: var(--silver); padding: 7px 14px; font-size: 12px;
  border: 1px solid var(--slag);
}
.btn-secondary:hover { background: var(--slag); color: var(--bone); }

/* ── TAGS / BADGES ─────────────────────────────────────────── */
.tag { display: inline-flex; align-items: center; gap: 3px; border-radius: 3px; padding: 2px 7px; font-family: 'IBM Plex Mono', monospace; font-size: 7px; letter-spacing: .5px; }
.tag-ia { background: rgba(232,68,10,.15); color: var(--ember); }
.tag-editada { background: rgba(245,166,35,.15); color: var(--warn); }
.tag-manual { background: rgba(61,186,106,.15); color: var(--ok); }

.badge-margin {
  display: inline-flex; align-items: center; padding: 3px 8px;
  border-radius: 20px; font-family: 'IBM Plex Mono', monospace; font-size: 9px;
}
.badge-margin.ok { background: rgba(61,186,106,.12); color: var(--ok); border: 1px solid rgba(61,186,106,.2); }
.badge-margin.warn { background: rgba(245,166,35,.12); color: var(--warn); border: 1px solid rgba(245,166,35,.2); }
.badge-margin.danger { background: rgba(232,68,10,.12); color: var(--fire); border: 1px solid rgba(232,68,10,.2); }

/* ── TABLE ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  font-family: 'IBM Plex Mono', monospace; font-size: 8px; color: var(--steel);
  letter-spacing: 1.2px; text-align: left; padding: 8px 12px;
  border-bottom: 1px solid var(--coal); background: var(--smoke);
  position: sticky; top: 0; z-index: 2;
}
tbody tr { border-bottom: 1px solid rgba(255,255,255,.03); cursor: pointer; transition: background .1s; }
tbody tr:hover { background: rgba(255,255,255,.025); }
tbody tr.selected { background: rgba(232,68,10,.06); }
tbody tr.selected td:first-child { border-left: 2px solid var(--fire); }
tbody td { font-family: 'IBM Plex Mono', monospace; font-size: 9px; color: var(--bone); padding: 9px 12px; }

/* ── INPUTS ────────────────────────────────────────────────── */
.input-field {
  background: var(--coal); border: 1px solid var(--slag); border-radius: var(--r-sm);
  padding: 8px 12px; font-family: 'IBM Plex Mono', monospace; font-size: 10px;
  color: var(--bone); outline: none; width: 100%;
  transition: border-color .15s;
}
.input-field:focus { border-color: var(--fire); box-shadow: 0 0 0 2px rgba(232,68,10,.1); }
.input-field::placeholder { color: var(--steel); }

/* ── AMOUNT ────────────────────────────────────────────────── */
.amount { font-family: 'Bebas Neue', sans-serif; font-size: 14px; color: var(--ember); }
.amount.large { font-size: 22px; text-shadow: 0 0 20px rgba(232,68,10,.3); }

/* ── SCREEN TRANSITIONS ────────────────────────────────────── */
.screen { display: none; height: 100%; }
.screen.active { display: flex; flex-direction: column; animation: screenIn .2s ease; }
@keyframes screenIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── SKELETON LOADING ──────────────────────────────────────── */
.skeleton { background: linear-gradient(90deg, var(--coal) 25%, var(--slag) 50%, var(--coal) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--r-sm); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── TOAST ─────────────────────────────────────────────────── */
#toast {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%) translateY(-80px);
  background: var(--ash); border: 1px solid var(--fire); border-radius: var(--r);
  padding: 10px 20px; font-family: 'IBM Plex Mono', monospace; font-size: 11px;
  color: var(--bone); z-index: 10000; transition: transform .3s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 4px 24px rgba(0,0,0,.6);
}
#toast.show { transform: translateX(-50%) translateY(0); }

/* ── SCAN ANIMATION ────────────────────────────────────────── */
@keyframes scan-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,68,10,.4); }
  50% { box-shadow: 0 0 0 12px rgba(232,68,10,0); }
}
.scan-btn-area { animation: scan-pulse 2s infinite; }

/* ── SPARKLINE ─────────────────────────────────────────────── */
.sparkline-bar { transform-origin: bottom; animation: sp-in .4s ease both; }
@keyframes sp-in { from { transform: scaleY(0); } to { transform: scaleY(1); } }

.receta-item:hover { background: rgba(255,255,255,.03) !important; }
.receta-item.selected { background: rgba(232,68,10,.06) !important; }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .sidebar { width: 52px; }
  .page-title { font-size: 15px; }
}