/* ════════════════════════════════════════════════════════════════
   CAL-BIN — Tema unificado (naranja + dev style)
   Tipografías: Inter (UI) + JetBrains Mono (código/datos hex)
   ════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
  --bg-0:        #0a0c10;
  --bg-1:        #11141b;
  --bg-2:        #161a23;
  --bg-3:        #1d222d;
  --border:      #2a2f3c;
  --border-h:    #3d4456;
  --text:        #e6e8ee;
  --text-dim:    #8a91a3;
  --text-muted:  #5b6175;
  --orange:      #ff8c00;
  --orange-l:    #ffa940;
  --orange-d:    #cc6f00;
  --orange-glow: rgba(255,140,0,0.35);
  --green:       #2ecc71;
  --red:         #ff5b5b;
  --blue:        #00b8ff;
  --shadow:      0 4px 18px rgba(0,0,0,0.35);
  --radius:      8px;
  --mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { background: var(--bg-0); color: var(--text); font-family: var(--sans); }
body {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  background:
    radial-gradient(1100px 600px at 80% -10%, rgba(255,140,0,0.07), transparent 60%),
    radial-gradient(900px 500px at -10% 100%, rgba(0,184,255,0.04), transparent 60%),
    var(--bg-0);
  background-attachment: fixed;
}

/* ── TOPBAR ───────────────────────────────────────────────────── */
.topbar {
  background: rgba(13, 15, 22, 0.88) !important;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border) !important;
  padding: 14px 22px !important;
}
.topbar .logo {
  font-family: var(--mono) !important;
  font-size: 16px !important;
  letter-spacing: 2px !important;
}
.topbar .logo a {
  color: var(--text) !important;
  position: relative;
}
.topbar .logo a::before {
  content: '⚡';
  color: var(--orange);
  margin-right: 6px;
  text-shadow: 0 0 12px var(--orange-glow);
}
.topbar .nav-buttons a {
  font-family: var(--sans);
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.18s ease;
}
.topbar .nav-buttons a:hover {
  background: rgba(255,140,0,0.08);
  color: var(--orange-l) !important;
}
.badge {
  font-family: var(--mono);
  font-weight: 600 !important;
}

/* ── BREADCRUMB ───────────────────────────────────────────────── */
.breadcrumb {
  background: var(--bg-1) !important;
  color: var(--text-dim) !important;
  border-bottom: 1px solid var(--border) !important;
  font-family: var(--mono);
  font-size: 12.5px !important;
  padding: 8px 22px !important;
}
.breadcrumb a {
  color: var(--orange-l) !important;
  transition: color 0.15s;
}
.breadcrumb a:hover { color: var(--orange) !important; text-shadow: 0 0 8px var(--orange-glow); }

/* ── HERO ─────────────────────────────────────────────────────── */
.hero {
  background:
    linear-gradient(135deg, var(--orange) 0%, var(--orange-d) 100%) !important;
  color: #1a1500 !important;
  font-weight: 600 !important;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 22px, rgba(0,0,0,0.04) 22px, rgba(0,0,0,0.04) 23px);
  pointer-events: none;
}
.hero p { position: relative; }
.hero strong { background: rgba(0,0,0,0.15); padding: 2px 8px; border-radius: 4px; }

/* ── LIST PANELS (Marcas/Modelos/Tipos) ──────────────────────── */
.list-panel h3 {
  font-family: var(--mono);
  color: var(--orange) !important;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--orange) !important;
  text-shadow: 0 0 14px var(--orange-glow);
}
.list-box {
  background: var(--bg-1) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}
.list-box .item {
  color: var(--text) !important;
  border-bottom: 1px solid var(--bg-2) !important;
  transition: background 0.15s, padding-left 0.15s, color 0.15s;
  font-size: 13.5px !important;
}
.list-box .item:hover {
  background: rgba(255,140,0,0.08) !important;
  padding-left: 14px !important;
  color: var(--orange-l) !important;
}
.list-box .item.selected {
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-d) 100%) !important;
  color: #1a1500 !important;
  font-weight: 600 !important;
  box-shadow: inset 4px 0 0 #fff;
}
.list-box .item.category {
  color: var(--text-dim) !important;
  background: var(--bg-2) !important;
  font-family: var(--mono);
  font-size: 12px !important;
  letter-spacing: 1px;
  text-transform: uppercase;
}
/* Scrollbar custom */
.list-box::-webkit-scrollbar { width: 8px; }
.list-box::-webkit-scrollbar-track { background: var(--bg-1); }
.list-box::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 4px; }
.list-box::-webkit-scrollbar-thumb:hover { background: var(--orange-d); }

/* ── CARDS / FORMS ───────────────────────────────────────────── */
.card {
  background: var(--bg-1) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
  color: var(--text) !important;
}
.card h2 {
  font-family: var(--mono);
  color: var(--orange) !important;
  letter-spacing: 1.5px;
  border-bottom: 2px solid var(--orange) !important;
  text-shadow: 0 0 14px var(--orange-glow);
}
.form-row label {
  color: var(--text-dim) !important;
  font-weight: 500;
  font-size: 12.5px !important;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.form-row input, .form-row select, .form-row textarea {
  background: var(--bg-0) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  font-family: var(--mono) !important;
  border-radius: 5px !important;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  border-color: var(--orange) !important;
  box-shadow: 0 0 0 3px rgba(255,140,0,0.18) !important;
  outline: none !important;
}
.form-row select { color: var(--text) !important; }

/* ── BOTONES GENÉRICOS ───────────────────────────────────────── */
.btn-register, .btn-login, .btn-upload, .btn-modificar {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-d) 100%) !important;
  color: #1a1500 !important;
  border: none !important;
  border-radius: 6px !important;
  font-family: var(--mono) !important;
  font-weight: 700 !important;
  letter-spacing: 1px !important;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.18s, filter 0.18s !important;
  box-shadow: 0 3px 12px rgba(255,140,0,0.25);
}
.btn-register:hover, .btn-login:hover, .btn-upload:hover, .btn-modificar:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 6px 18px rgba(255,140,0,0.4) !important;
}
.btn-register:active, .btn-login:active, .btn-upload:active, .btn-modificar:active {
  transform: translateY(0);
}

/* ── HERO CON CTA TIPO TERMINAL ──────────────────────────────── */
.hero .btn-peticion {
  background: rgba(0,0,0,0.65) !important;
  color: var(--orange-l) !important;
  border: 1px solid rgba(255,255,255,0.15);
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 4px !important;
  transition: all 0.2s;
}
.hero .btn-peticion:hover {
  background: #000 !important;
  color: var(--orange) !important;
  box-shadow: 0 0 16px var(--orange-glow);
}

/* ── ALERTS ──────────────────────────────────────────────────── */
.alert {
  border-radius: 6px !important;
  border-left: 4px solid !important;
  font-family: var(--mono);
  font-size: 12.5px !important;
}
.alert.error   { background: rgba(255,91,91,0.08) !important; border-color: var(--red) !important; color: var(--red) !important; }
.alert.success { background: rgba(46,204,113,0.08) !important; border-color: var(--green) !important; color: var(--green) !important; }

/* ── FOOTER ──────────────────────────────────────────────────── */
footer {
  background: var(--bg-0) !important;
  border-top: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
  font-family: var(--mono);
  font-size: 11.5px !important;
}

/* ── UPLOAD SECTION (index.html) ─────────────────────────────── */
#upload-section {
  background: var(--bg-1) !important;
  border: 2px dashed var(--orange) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
}
#upload-section h3 { color: var(--orange) !important; font-family: var(--mono) !important; }
#upload-section .tipo-seleccionado { color: var(--orange-l) !important; font-family: var(--mono) !important; }
#upload-section .drop-area {
  background: var(--bg-0) !important;
  border: 2px dashed var(--border) !important;
  transition: all 0.2s !important;
}
#upload-section .drop-area:hover, #upload-section .drop-area.dragover {
  background: rgba(255,140,0,0.05) !important;
  border-color: var(--orange) !important;
  transform: scale(1.01);
}
#upload-section .drop-area p { color: var(--text-dim) !important; }
#upload-section .file-name { color: var(--text) !important; font-family: var(--mono) !important; }

/* ── PANEL "VALOR ACTUAL" estilo Windows clásico → modernizar a terminal ── */
.valor-actual {
  background: var(--bg-1) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.valor-actual .va-titlebar {
  background: linear-gradient(90deg, var(--bg-3) 0%, var(--bg-2) 100%) !important;
  padding: 6px 12px;
  display: flex; gap: 8px; align-items: center;
  border-bottom: 1px solid var(--border);
}
.valor-actual .va-titlebar .win-title {
  color: var(--orange-l) !important;
  font-family: var(--mono) !important;
  font-size: 11px !important;
  letter-spacing: 1px;
  font-weight: 600 !important;
}
.valor-actual .va-display {
  background: var(--bg-0) !important;
  color: var(--orange) !important;
  font-family: var(--mono) !important;
  font-size: 32px !important;
  text-shadow: 0 0 18px var(--orange-glow);
  padding: 22px !important;
  letter-spacing: 4px !important;
  border-top: none !important;
}

/* ── RECUADRO MODIFICAR ESTILO TERMINAL ─────────────────────── */
.modificar-win {
  background: var(--bg-1) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow) !important;
  border-radius: var(--radius) !important;
}
.modificar-win .win-titlebar {
  background: linear-gradient(90deg, var(--bg-3) 0%, var(--bg-2) 100%) !important;
  border-bottom: 1px solid var(--border);
}
.modificar-win .win-titlebar .win-title { color: var(--orange-l) !important; font-family: var(--mono) !important; }
.modificar-win .win-body { background: var(--bg-1) !important; }
.modificar-win .win-label { color: var(--text-dim) !important; font-family: var(--mono) !important; }
.modificar-win .win-input {
  background: var(--bg-0) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
  font-family: var(--mono) !important;
  border-radius: 5px !important;
}
.modificar-win .win-input:focus { border-color: var(--orange) !important; box-shadow: 0 0 0 3px rgba(255,140,0,0.18) !important; }
.modificar-win .win-footer { background: var(--bg-2) !important; border-top: 1px solid var(--border) !important; }

/* ── CONVERSOR TERMINAL ──────────────────────────────────────── */
.conversor-box {
  background: var(--bg-1) !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow) !important;
  border-radius: var(--radius) !important;
}
.conv-titlebar {
  background: linear-gradient(90deg, var(--bg-3) 0%, var(--bg-2) 100%) !important;
  border-bottom: 1px solid var(--border) !important;
}
.conv-title { color: var(--orange-l) !important; font-family: var(--mono) !important; }
.conv-col label { color: var(--text-dim) !important; font-family: var(--mono) !important; }
.conv-col input {
  background: var(--bg-0) !important;
  color: var(--orange) !important;
  border: 1px solid var(--border) !important;
  font-family: var(--mono) !important;
  text-shadow: 0 0 10px var(--orange-glow);
  border-radius: 5px !important;
}
.conv-col input:focus { border-color: var(--orange) !important; box-shadow: 0 0 0 3px rgba(255,140,0,0.18) !important; }
.conv-arrows { color: var(--orange) !important; }

/* ── SESSION TIMER ───────────────────────────────────────────── */
#session-timer {
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-d) 100%) !important;
  font-family: var(--mono) !important;
  box-shadow: 0 0 12px var(--orange-glow);
}

/* ── MODAL ───────────────────────────────────────────────────── */
.modal-box {
  background: var(--bg-1) !important;
  border-top: 4px solid var(--orange) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6) !important;
}
.modal-box p { color: var(--text) !important; }
.modal-box p strong { color: var(--orange) !important; }
.modal-box button {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-d) 100%) !important;
  color: #1a1500 !important;
  font-family: var(--mono) !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
  border-radius: 6px !important;
}

/* ── DESCARGA ────────────────────────────────────────────────── */
#download-area .btn-download {
  background: linear-gradient(135deg, var(--green) 0%, #1ea155 100%) !important;
  color: #fff !important;
  font-family: var(--mono) !important;
  font-weight: 700 !important;
  letter-spacing: 1px;
  border-radius: 6px !important;
  box-shadow: 0 3px 14px rgba(46,204,113,0.3) !important;
  transition: transform 0.12s, filter 0.18s, box-shadow 0.18s;
}
#download-area .btn-download:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
  box-shadow: 0 6px 20px rgba(46,204,113,0.5) !important;
}

/* ── INFO BOX ────────────────────────────────────────────────── */
.info-box {
  background: var(--bg-1) !important;
  border-left: 4px solid var(--orange) !important;
  border-radius: 4px;
  color: var(--text-dim) !important;
  font-family: var(--mono);
}
.info-box strong { color: var(--orange) !important; }

/* ── HAMBURGER (responsive) ──────────────────────────────────── */
.hamburger span { background: var(--orange) !important; }

/* ── ANIMACIONES SUTILES ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.main, .main-content, .card, #upload-section, #resultado { animation: fadeUp 0.35s ease both; }

/* ── RESPONSIVE EXTRA ────────────────────────────────────────── */
@media (max-width: 860px) {
  .topbar { padding: 12px 16px !important; }
  .topbar .logo { font-size: 14px !important; }
  .hero { font-size: 12.5px !important; padding: 16px 18px !important; }
  .valor-actual .va-display { font-size: 24px !important; }
  body { font-size: 13.5px; }
}
@media (max-width: 480px) {
  .topbar .logo { font-size: 13px !important; letter-spacing: 1px !important; }
  .topbar .logo a::before { font-size: 12px; }
}