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

:root {
  --bg: #f2f3f7;
  --surface: #ffffff;
  --surface2: #eef0f5;
  --border: #d0d4e0;
  --accent: #2470BE;
  --accent-hover: #1a62a8;
  --brand-green: #6AB420;
  --brand-green-hover: #5a9c18;
  --danger: #c83232;
  --danger-hover: #a02828;
  --success: #2e8a57;
  --warn: #b87200;
  --text: #1a1a2e;
  --text-muted: #6a6a8a;
  --radius: 8px;
  --sidebar-w: 210px;
  color-scheme: light;
}

html, body { height: 100%; font-family: system-ui, sans-serif; font-size: 14px; background: var(--bg); color: var(--text); }

#app { display: flex; height: 100vh; overflow: hidden; }

/* SIDEBAR */
#sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  padding: 0;
  box-shadow: 1px 0 0 rgba(36,112,190,0.04);
}
.sidebar-brand {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
}
.brand-bar {
  display: block;
  width: 30px;
  height: 5px;
  border-radius: 2px;
}
.bar-green { background: var(--brand-green); }
.bar-blue  { background: var(--accent); }
.bar-dark  { background: rgba(0,0,0,0.10); }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}
.brand-niux {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--brand-green);
  text-transform: uppercase;
}
.brand-tracker {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
nav { display: flex; flex-direction: column; padding: 8px 0; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--text-muted);
  border-left: 3px solid transparent;
  transition: all 0.15s;
  position: relative;
}
.nav-item:hover { color: var(--text); background: var(--surface2); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(36,112,190,0.10); }
.nav-icon { font-size: 13px; width: 16px; text-align: center; }

/* BADGE */
.badge {
  margin-left: auto;
  color: var(--danger);
  font-size: 16px;
  line-height: 1;
  animation: pulse 1.5s infinite;
}
.badge.hidden { display: none; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* MAIN CONTENT */
#content { flex: 1; overflow-y: auto; padding: 28px 32px; }

.section { display: none; }
.section.active { display: block; }

h1 { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
h2 { font-size: 15px; font-weight: 600; margin: 20px 0 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.section-header h1 { margin-bottom: 0; }

/* METRICS */
.metrics-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 140px;
  flex: 1;
}
.metric-card .value { font-size: 26px; font-weight: 700; color: var(--accent); line-height: 1.1; }
.metric-card .label { font-size: 11px; color: var(--text-muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.metric-card.warn .value { color: var(--warn); }
.metric-card.success .value { color: var(--success); }
.metric-card.danger .value { color: var(--danger); }

/* CARDS */
.card-list { display: flex; flex-direction: column; gap: 8px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card.urgente { border-left: 3px solid var(--danger); }
.card.vencida { border-left: 3px solid var(--danger); }
.card.proxima { border-left: 3px solid var(--warn); }
.card.activa { border-left: 3px solid var(--success); }
.card.facturar { border-left: 3px solid var(--warn); }

.card-row { display: flex; align-items: center; gap: 10px; }
.card-main { flex: 1; min-width: 0; }
.card-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* STATUS PILLS */
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.pill-urgente { background: rgba(224,82,82,0.15); color: var(--danger); }
.pill-normal { background: rgba(36,112,190,0.15); color: var(--accent); }
.pill-vencida { background: rgba(224,82,82,0.15); color: var(--danger); }
.pill-proxima { background: rgba(240,165,0,0.15); color: var(--warn); }
.pill-al_dia { background: rgba(76,175,125,0.15); color: var(--success); }
.pill-activa { background: rgba(76,175,125,0.15); color: var(--success); }
.pill-pendiente { background: rgba(120,120,160,0.2); color: var(--text-muted); }
.pill-en_curso { background: rgba(36,112,190,0.15); color: var(--accent); }
.pill-completada { background: rgba(76,175,125,0.15); color: var(--success); }
.pill-pendiente_facturar { background: rgba(240,165,0,0.15); color: var(--warn); }
.pill-facturada { background: rgba(76,175,125,0.15); color: var(--success); }

/* BUTTONS */
button { cursor: pointer; border: none; border-radius: var(--radius); font-size: 13px; font-weight: 500; padding: 7px 14px; transition: background 0.15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-ghost { background: transparent; color: var(--text-muted); padding: 5px 10px; }
.btn-ghost:hover { color: var(--text); background: var(--surface2); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.hidden { display: none !important; }

/* INPUTS */
input[type=text], input[type=email], input[type=password],
input[type=number], input[type=date], input[type=datetime-local], input[type=month], input[type=time], textarea, select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 13px;
  outline: none;
  margin-bottom: 10px;
  font-family: inherit;
  box-sizing: border-box;
}
input:-webkit-autofill,
input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 100px var(--surface2) inset !important;
  -webkit-text-fill-color: var(--text) !important;
  caret-color: var(--text);
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { min-height: 70px; resize: vertical; }
select, input[type=date], input[type=datetime-local], input[type=month], input[type=time] { color-scheme: inherit; }
select option { background: var(--surface2); color: var(--text); }

/* COMBOBOX */
.combobox-wrap { position: relative; margin-bottom: 10px; }
.combobox-wrap input { margin-bottom: 0; }
.dropdown {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}
.dropdown li {
  list-style: none;
  padding: 9px 12px;
  cursor: pointer;
  transition: background 0.1s;
}
.dropdown li:hover, .dropdown li.focused { background: var(--border); }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(36,112,190,0.15);
  border: 1px solid rgba(36,112,190,0.35);
  border-radius: 20px;
  padding: 4px 10px 4px 12px;
  font-size: 13px;
  color: var(--accent);
  margin-top: 6px;
}
.chip button { background: transparent; color: var(--accent); padding: 0; font-size: 15px; line-height: 1; }

/* TIMER */
#timer-card { padding: 20px; }
.timer-display {
  font-size: 56px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: center;
  letter-spacing: 2px;
  color: var(--accent);
  padding: 20px 0;
}
.timer-display.running { color: var(--success); }
.timer-buttons { display: flex; gap: 10px; justify-content: center; }

/* TABS */
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab {
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 8px 16px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* MOBILE TOP BAR — hidden on desktop, shown via media query */
#mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  align-items: center;
  padding: 0 8px 0 4px;
  gap: 8px;
}

/* SIDEBAR BACKDROP — mobile overlay */
#sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 490;
  -webkit-tap-highlight-color: transparent;
}
#sidebar-backdrop.visible { display: block; }

/* RESPONSIVE COLUMN LAYOUTS */
.cols-layout { display: flex; gap: 16px; align-items: flex-start; }
.cols-layout > * { flex: 1; min-width: 0; }
.disco-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }

/* MODAL */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 550;
}
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.modal-box h2 { margin-bottom: 16px; font-size: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; color: var(--text-muted); font-weight: 600; border-bottom: 1px solid var(--border); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

/* SCRIPTS */
.script-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 8px; }
.script-card-header { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.script-card-info { flex: 1; min-width: 0; }
.script-card-actions { display: flex; gap: 6px; flex-shrink: 0; flex-wrap: wrap; justify-content: flex-end; }
.script-name { font-weight: 600; font-family: monospace; color: var(--accent); font-size: 14px; }
.script-desc { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.script-sin-rutina { font-size: 11px; color: var(--text-muted); }
.script-content-pre { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; font-size: 12px; overflow-x: auto; color: var(--text); max-height: 260px; white-space: pre; overflow-y: auto; margin-top: 12px; }
#modal-script textarea { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 10px 12px; color: var(--text); outline: none; box-sizing: border-box; font-family: monospace; font-size: 12px; }
#modal-script textarea:focus { border-color: var(--accent); }

/* EMPTY STATE */
.empty { text-align: center; color: var(--text-muted); padding: 40px 20px; font-size: 13px; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* TIMER ALERT OVERLAY (hourly) */
#timer-alert-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; animation: fadeIn .2s ease;
}
.timer-alert-box {
  background: var(--surface); border: 1px solid var(--accent);
  border-radius: 16px; padding: 36px 40px; text-align: center;
  max-width: 320px; width: 90%; box-shadow: 0 8px 40px rgba(0,0,0,.5);
  animation: slideUp .25s ease;
}
.timer-alert-icon { font-size: 48px; margin-bottom: 12px; }
.timer-alert-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.timer-alert-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.timer-alert-box button {
  background: var(--accent); color: #fff; border: none;
  padding: 10px 28px; border-radius: 8px; font-size: 14px;
  font-weight: 600; cursor: pointer; width: 100%;
}
.timer-alert-box button:hover { opacity: .85; }
@keyframes fadeIn  { from { opacity: 0 } to { opacity: 1 } }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0 } to { transform: none; opacity: 1 } }

/* LOGIN SCREEN */
#login-screen {
  position: fixed; inset: 0;
  background:
    radial-gradient(circle at 20% 15%, rgba(106,180,32,0.10), transparent 45%),
    radial-gradient(circle at 80% 85%, rgba(36,112,190,0.10), transparent 45%),
    var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
#login-screen.hidden { display: none; }
.login-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 36px 32px 28px;
  width: 340px; display: flex; flex-direction: column; gap: 12px;
  box-shadow: 0 12px 36px rgba(36,112,190,0.12), 0 2px 6px rgba(0,0,0,0.04);
}
.login-box .btn-primary { padding: 10px 14px; font-weight: 600; margin-top: 4px; }
.login-logo {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; margin-bottom: 12px;
}
.login-logo img { width: 130px; height: auto; }
.login-logo-name {
  font-size: 11px; font-weight: 700; color: var(--brand-green);
  letter-spacing: 2px; text-transform: uppercase;
}
.login-error { color: var(--danger); font-size: 13px; text-align: center; margin: 0; }

/* EQUIPOS — bulk action bar */
.bulk-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: rgba(36,112,190,0.08); border: 1px solid rgba(36,112,190,0.30);
  border-radius: var(--radius); padding: 10px 16px; margin-bottom: 12px;
}
.bulk-count { font-size: 13px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.bulk-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-left: auto; }
.bulk-actions select { margin: 0; }
input[type=checkbox] { width: 15px; height: 15px; cursor: pointer; accent-color: var(--accent); flex-shrink: 0; }
tr.row-selected td { background: rgba(36,112,190,0.07); }

/* EQUIPOS — sortable headers + column filters */
.th-label {
  display: flex; align-items: center; gap: 4px;
  cursor: pointer; user-select: none; white-space: nowrap;
}
.th-label:hover { color: var(--text); }
th.sort-asc .th-label,
th.sort-desc .th-label { color: var(--accent); }
.sort-icon { font-size: 11px; color: var(--text-muted); }
.sort-icon.active { color: var(--accent); }
.col-filter {
  width: 100%; margin: 5px 0 0 0; padding: 3px 6px;
  font-size: 11px; background: var(--bg);
  border: 1px solid var(--border); border-radius: 4px;
  color: var(--text);
}
.col-filter:focus { border-color: var(--accent); outline: none; }

/* SIDEBAR FOOTER */
#sidebar { display: flex; flex-direction: column; }
#sidebar nav { flex: 1; }
.sidebar-footer { padding: 12px 0; border-top: 1px solid var(--border); }
.nav-footer-btn {
  width: 100%; background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 13px;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: 8px; text-align: left;
}

/* CONFIGURACIÓN */
.config-group { margin-bottom: 16px; }
.config-group-title {
  margin: 0 0 12px; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted);
}
.config-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.config-row:last-of-type { border-bottom: none; }
.config-label { flex: 1; padding-right: 16px; }
.config-label-text { display: block; font-size: 14px; color: var(--text); }
.config-label-desc { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.config-input-group { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.config-input { width: 80px; margin: 0; text-align: right; padding: 6px 10px; }
.config-unit { font-size: 12px; color: var(--text-muted); min-width: 26px; }
.nav-footer-btn:hover { background: var(--surface2); color: var(--text); }

/* ── Toolbar global "Generar lote" (Fase 4.3 + 4.4) ─────────────────────── */
#lote-toolbar {
  position: fixed;
  left: var(--sidebar-w);    /* arranca después del sidebar (desktop) */
  right: 0;
  bottom: 0;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  z-index: 50;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.15);
}
#lote-toolbar.hidden { display: none; }
#lote-info { font-size: 13px; }
.lote-toolbar-actions { display: flex; gap: 8px; }

/* ── RESPONSIVE — MOBILE (≤ 768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
  /* Show mobile topbar */
  #mobile-topbar { display: flex; }

  /* Sidebar: fixed overlay, hidden off-screen by default */
  #sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 500;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
  }
  #sidebar.open {
    transform: translateX(0);
    box-shadow: 6px 0 24px rgba(0,0,0,0.45);
  }

  /* Content: full width, padding below topbar */
  #content { padding: 64px 16px 24px; }

  /* Toolbar global: en mobile el sidebar es overlay → usar todo el ancho */
  #lote-toolbar { left: 0; padding: 10px 16px; }

  /* Typography */
  h1 { font-size: 18px; margin-bottom: 14px; }

  /* Section header: wrap on small widths */
  .section-header { flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
  .section-header h1 { margin-bottom: 0; }

  /* Metric cards: 2 per row */
  .metrics-row { gap: 10px; }
  .metric-card { min-width: calc(50% - 5px); flex: 1 1 calc(50% - 5px); padding: 12px 14px; }
  .metric-card .value { font-size: 22px; }

  /* Tabs: horizontal scroll, no wrap */
  .tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: 1px; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; padding: 8px 12px; font-size: 13px; }

  /* Cards: actions wrap and bigger touch targets */
  .card { padding: 12px 14px; }
  .card-actions { flex-wrap: wrap; gap: 6px; }
  .btn-sm { padding: 7px 11px; font-size: 12px; min-height: 34px; }
  button { min-height: 38px; }
  .btn-sm { min-height: 34px; }

  /* Column layouts: stack vertically */
  .cols-layout { flex-direction: column; gap: 20px; }
  .cols-layout > * { width: 100%; }

  /* Disco grid: single column */
  .disco-grid { grid-template-columns: 1fr !important; }

  /* Timer */
  .timer-display { font-size: 42px; letter-spacing: 1px; }

  /* Modal: full-width with safe margins */
  .modal { align-items: flex-end; padding-bottom: env(safe-area-inset-bottom, 0); }
  .modal-box {
    max-width: 100%;
    width: 100%;
    max-height: 90dvh;
    overflow-y: auto;
    border-radius: 16px 16px 0 0;
    margin: 0;
  }

  /* Tables: touch scroll */
  .table-wrap { -webkit-overflow-scrolling: touch; }

  /* Equipos bulk bar */
  .bulk-bar { flex-wrap: wrap; gap: 8px; }
  .bulk-actions { margin-left: 0; width: 100%; }
  .bulk-actions select { width: 100% !important; }

  /* Config rows */
  .config-row { flex-wrap: wrap; gap: 8px; }
  .config-label { padding-right: 0; }

  /* Empty states */
  .empty { padding: 24px 12px; }

  /* Inputs: prevent zoom on focus (iOS requires font-size ≥ 16px) */
  input[type=text], input[type=email], input[type=password],
  input[type=number], input[type=date], input[type=datetime-local], input[type=month], input[type=time],
  textarea, select { font-size: 16px; }
}