/* ═══ TOKENS ═══════════════════════════════════════════════════════════════ */
:root {
  --bg:        #f8fafc;
  --bg2:       #f1f5f9;
  --card:      #ffffff;
  --card2:     #f8fafc;
  --inp:       #ffffff;
  --border:    #e2e8f0;
  --border2:   #cbd5e1;
  --accent:    #6366f1;
  --accent-d:  #4f52cc;
  --accent-a:  rgba(99,102,241,.09);
  --accent-b:  rgba(99,102,241,.05);
  --text:      #1e293b;
  --text2:     #64748b;
  --muted:     #94a3b8;
  --success:   #059669;
  --success-a: rgba(5,150,105,.09);
  --danger:    #dc2626;
  --danger-a:  rgba(220,38,38,.09);
  --warn:      #d97706;
  --warn-a:    rgba(217,119,6,.09);
  --info:      #0284c7;
  --info-a:    rgba(2,132,199,.09);
  --gold:      #92400e;
  --shadow-xs: 0 1px 2px rgba(15,23,42,.04);
  --shadow-sm: 0 1px 3px rgba(15,23,42,.07), 0 1px 2px rgba(15,23,42,.04);
  --shadow:    0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04);
  --shadow-lg: 0 16px 40px rgba(15,23,42,.12), 0 4px 12px rgba(15,23,42,.06);
  --r-xs: 4px; --r-sm: 8px; --r: 12px; --r-lg: 16px; --r-xl: 22px;
  --nav-h: 62px;
  --mob-nav-h: 64px;
  --page-pad: 28px 36px;
  --page-pad-mob: 14px 16px;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
}

/* ═══ RESET ═════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; }
/* Prevent double-tap zoom on all interactive elements */
a, button, [role="button"], input, select, textarea, label {
  touch-action: manipulation;
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  min-height: 100dvh;
}

/* ═══ SCROLLBAR ══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ═══ TOP NAV ════════════════════════════════════════════════════════════════ */
.jl-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: 4px;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 1px 0 var(--border), 0 2px 8px rgba(15,23,42,.04);
}
.jl-nav::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  border-radius: 0;
}
.jl-brand {
  font-weight: 800;
  font-size: 1.08rem;
  color: #0a0a0a;
  text-decoration: none;
  margin-right: 16px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  letter-spacing: -.02em;
}
.jl-brand img { width: 27px; height: 27px; display: block; }
.jl-links { display: flex; gap: 2px; flex: 1; overflow: hidden; }
.jl-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--r-sm);
  color: var(--text2);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 500;
  transition: all .18s;
  white-space: nowrap;
  position: relative;
}
.jl-link:hover { color: var(--text); background: var(--bg2); }
.jl-link.active {
  color: var(--accent);
  background: var(--accent-a);
  font-weight: 600;
}
.jl-link.active i { color: var(--accent); }
.jl-logout {
  margin-left: auto;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 13px;
  border-radius: var(--r-sm);
  color: var(--text2);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 500;
  transition: all .18s;
}
.jl-logout:hover { color: var(--danger); background: var(--danger-a); }

/* ═══ BOTTOM MOBILE NAV ══════════════════════════════════════════════════════ */
.mob-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mob-nav-h);
  background: rgba(255,255,255,.95);
  border-top: 1px solid var(--border);
  z-index: 300;
  padding-bottom: env(safe-area-inset-bottom);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 -1px 0 var(--border), 0 -4px 16px rgba(15,23,42,.06);
  /* iOS Safari fix: prevents fixed element from scrolling with page */
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: transform;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.mob-nav-inner { display: flex; height: 100%; }
.mob-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--muted);
  text-decoration: none;
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  transition: color .18s;
  position: relative;
  padding: 6px 2px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}
.mob-link i { font-size: 1.25rem; line-height: 1; transition: transform .2s; }
.mob-link.active { color: var(--accent); }
.mob-link.active i { transform: scale(1.1); }
.mob-link.active::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 3px;
  background: var(--gradient);
  border-radius: 0 0 4px 4px;
}
.mob-link:hover { color: var(--text2); }

/* ═══ MAIN CONTENT ═══════════════════════════════════════════════════════════ */
.main { padding: var(--page-pad); }

/* ═══ PAGE HEADER ════════════════════════════════════════════════════════════ */
.page-hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  gap: 12px;
}
.page-title {
  font-size: 1.4rem;
  font-weight: 750;
  letter-spacing: -.025em;
  color: var(--text);
}

/* ═══ CARDS ══════════════════════════════════════════════════════════════════ */
.jl-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s, transform .2s;
}
.jl-card:hover {
  border-color: var(--border2);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* ═══ KPI GRID ═══════════════════════════════════════════════════════════════ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(162px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.kpi {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all .22s cubic-bezier(.34,1.2,.64,1);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.kpi::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity .22s;
}
.kpi:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow), 0 0 0 1px var(--accent-a);
  transform: translateY(-2px);
}
.kpi:hover::after { opacity: 1; }
.kpi-icon { font-size: 1.5rem; margin-bottom: 10px; line-height: 1; }
.kpi-val { font-size: 1.6rem; font-weight: 800; line-height: 1; margin-bottom: 5px; letter-spacing: -.03em; }
.kpi-lbl { color: var(--text2); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 600; }
.kpi-pos { color: var(--success); }
.kpi-neg { color: var(--danger); }
.kpi-neu { color: var(--text); }

/* ═══ TABLE ══════════════════════════════════════════════════════════════════ */
.jl-table { width: 100%; border-collapse: collapse; font-size: .855rem; }
.jl-table th {
  padding: 11px 14px;
  text-align: left;
  color: var(--text2);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  white-space: nowrap;
  background: var(--bg2);
}
.jl-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}
.jl-table tbody tr { transition: background .13s; }
.jl-table tbody tr:hover { background: #f8faff; }
.jl-table tbody tr:last-child td { border-bottom: none; }
.jl-table tfoot td { background: var(--bg2); border-top: 1px solid var(--border); }
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--r); }
/* Column group separators */
.jl-table .col-sep,
.jl-table th.col-sep { border-left: 2px solid var(--border2) !important; }
/* Row state coloring */
.jl-table tbody tr.row-sold td     { background: rgba(5,150,105,.05);  }
.jl-table tbody tr.row-sold:hover td  { background: rgba(5,150,105,.10); }
.jl-table tbody tr.row-returned td { background: rgba(220,38,38,.05);  }
.jl-table tbody tr.row-returned:hover td { background: rgba(220,38,38,.10); }
.jl-table tbody tr.row-stale td    { background: rgba(217,119,6,.05);  }
.jl-table tbody tr.row-stale:hover td { background: rgba(217,119,6,.10); }
/* Zebra striping (subtle, state coloring overrides) */
.jl-table tbody tr:nth-child(even) td { background: var(--card2); }
.jl-table tbody tr:nth-child(even):hover td { background: #f0f4ff; }
.jl-table tbody tr.row-sold:nth-child(even) td     { background: rgba(5,150,105,.07);  }
.jl-table tbody tr.row-returned:nth-child(even) td { background: rgba(220,38,38,.07);  }
.jl-table tbody tr.row-stale:nth-child(even) td    { background: rgba(217,119,6,.07);  }

/* ═══ BADGES ═════════════════════════════════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: .69rem;
  font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
}
.badge-success { background: rgba(5,150,105,.1);  color: #065f46; border: 1px solid rgba(5,150,105,.2); }
.badge-danger  { background: rgba(220,38,38,.09);  color: #991b1b; border: 1px solid rgba(220,38,38,.2); }
.badge-warn    { background: rgba(217,119,6,.1);   color: #78350f; border: 1px solid rgba(217,119,6,.2); }
.badge-info    { background: rgba(2,132,199,.09);  color: #075985; border: 1px solid rgba(2,132,199,.2); }
.badge-muted   { background: var(--bg2); color: var(--text2); border: 1px solid var(--border); }
.badge-accent  { background: var(--accent-a); color: #4338ca; border: 1px solid rgba(99,102,241,.2); }
.badge-ruben   { background: rgba(13,148,136,.1);  color: #0f766e; border: 1px solid rgba(13,148,136,.25); }
.badge-loris   { background: rgba(219,39,119,.1);  color: #be185d; border: 1px solid rgba(219,39,119,.25); }

/* ═══ FORMS ══════════════════════════════════════════════════════════════════ */
.form-ctrl {
  width: 100%;
  background: var(--inp);
  border: 1.5px solid var(--border);
  color: var(--text);
  padding: 10px 13px;
  border-radius: var(--r-sm);
  font-size: .88rem;
  outline: none;
  transition: border .18s, box-shadow .18s;
  appearance: none;
  -webkit-appearance: none;
}
.form-ctrl:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
.form-ctrl::placeholder { color: var(--muted); }
.form-ctrl option { background: #ffffff; color: var(--text); }
.form-label {
  display: block;
  font-size: .7rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 5px;
  font-weight: 700;
}

/* ═══ BUTTONS ════════════════════════════════════════════════════════════════ */
.btn-primary {
  background: var(--gradient);
  border: none;
  color: #fff;
  padding: 9px 20px;
  border-radius: var(--r-sm);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(99,102,241,.3);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background .18s;
}
.btn-primary:hover::after { background: rgba(255,255,255,.12); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(99,102,241,.4); }
.btn-primary:active { transform: none; }
.btn-sm { padding: 5px 12px !important; font-size: .76rem !important; gap: 4px !important; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border2);
  color: var(--text2);
  padding: 9px 15px;
  border-radius: var(--r-sm);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .18s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-b); }
.btn-danger {
  background: transparent;
  border: 1.5px solid rgba(220,38,38,.2);
  color: #dc2626;
  padding: 9px 14px;
  border-radius: var(--r-sm);
  font-size: .85rem;
  cursor: pointer;
  transition: all .18s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.btn-danger:hover { background: var(--danger-a); border-color: rgba(220,38,38,.4); }

/* ═══ MODALS ═════════════════════════════════════════════════════════════════ */
.jl-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.45);
  z-index: 400;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.jl-overlay.open { display: flex; animation: fadeIn .15s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.jl-modal {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slideUp .2s cubic-bezier(.34,1.2,.64,1);
}
@keyframes slideUp { from { transform: translateY(16px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
}
.modal-hd h5 { font-weight: 700; font-size: 1rem; margin: 0; color: var(--text); }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.modal-ft {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: var(--bg2);
  border-radius: 0 0 var(--r-xl) var(--r-xl);
}
.close-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  padding: 3px 7px;
  border-radius: var(--r-sm);
  transition: all .15s;
}
.close-btn:hover { color: var(--text); background: var(--border); }

/* ═══ SECTION TITLES ═════════════════════════════════════════════════════════ */
.section-title {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text2);
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--bg2);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ═══ LAYOUT GRIDS ═══════════════════════════════════════════════════════════ */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.mb-2 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 24px; }
.mt-4 { margin-top: 24px; }
.gap-2 { gap: 10px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.wrap { flex-wrap: wrap; }

/* ═══ UTILS ══════════════════════════════════════════════════════════════════ */
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger)  !important; }
.text-muted   { color: var(--text2)   !important; }
.text-accent  { color: var(--accent)  !important; }
.text-warn    { color: var(--warn)    !important; }

/* ═══ TOAST ══════════════════════════════════════════════════════════════════ */
#toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 20px;
  font-size: .855rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: none;
  align-items: center;
  gap: 10px;
  min-width: 240px;
  color: var(--text);
  animation: slideInRight .22s cubic-bezier(.34,1.2,.64,1);
}
@keyframes slideInRight { from { transform: translateX(24px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ═══ ITEM CARD (inventario mobile) ══════════════════════════════════════════ */
.item-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .18s, transform .18s;
}
.item-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }

/* ═══ RESPONSIVE — TABLET ════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .jl-link span { display: none; }
  .jl-link { padding: 7px 10px; }
  .g3 { grid-template-columns: 1fr 1fr; }
}

/* ═══ RESPONSIVE — MOBILE ════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .jl-links { display: none; }
  .jl-logout { display: none; }
  .jl-nav { padding: 0 16px; height: 54px; }
  .mob-nav { display: block; }
  .main {
    padding: var(--page-pad-mob);
    padding-bottom: calc(var(--mob-nav-h) + 12px + env(safe-area-inset-bottom));
  }
  .page-hd { flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
  .page-title { font-size: 1.15rem; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
  .kpi { padding: 14px 16px; }
  .kpi-val { font-size: 1.28rem; }
  .kpi-icon { font-size: 1.25rem; margin-bottom: 7px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; gap: 12px; }
  .jl-table { min-width: 620px; }
  .form-ctrl { padding: 12px 13px; font-size: 16px; } /* 16px min = no iOS auto-zoom */
  /* Prevent iOS zoom on ANY input/select/textarea regardless of inline styles */
  input, select, textarea { font-size: 16px !important; }
  .btn-primary, .btn-outline, .btn-danger { padding: 11px 16px; font-size: .88rem; }
  .btn-sm { padding: 7px 12px !important; font-size: .78rem !important; }
  .jl-overlay { padding: 0; align-items: flex-end; }
  .jl-modal {
    max-width: 100%;
    max-height: 92dvh;
    border-radius: var(--r-xl) var(--r-xl) 0 0;
    border-bottom: none;
  }
  .modal-hd { border-radius: var(--r-xl) var(--r-xl) 0 0; position: relative; padding-top: 24px; }
  .modal-hd::before {
    content: '';
    position: absolute;
    top: 10px; left: 50%;
    transform: translateX(-50%);
    width: 34px; height: 3px;
    background: var(--border2);
    border-radius: 2px;
  }
  .modal-ft { border-radius: 0; }
  #toast { bottom: calc(var(--mob-nav-h) + 12px + env(safe-area-inset-bottom)); right: 14px; left: 14px; min-width: 0; }
}

@media (max-width: 480px) {
  .hide-xs { display: none !important; }
}

/* ═══ PRINT ══════════════════════════════════════════════════════════════════ */
@media print {
  .jl-nav, .mob-nav, .btn-primary, .btn-outline, .btn-danger { display: none !important; }
  .main { padding: 0; }
  body { background: white; color: black; }
  .jl-card { box-shadow: none; border: 1px solid #e2e8f0; }
}