* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  margin-top: 0;
}
h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }

.app-header, header {
  background-color: var(--color-header-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: none;
  gap: 16px;
  flex-wrap: wrap;
}
.app-header .brand-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin: 0;
}
.app-header .brand-subtitle {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 400;
  margin: 3px 0 0;
}
.header-user-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: right;
}
.header-alert-badge {
  display: inline-block;
  background-color: var(--color-danger);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 4px;
  cursor: pointer;
  text-decoration: none;
}
.header-alert-badge:hover { background-color: var(--color-primary-dark); }

.container { max-width: 1240px; margin: 0 auto; padding: 28px 24px; width: 100%; overflow-x: clip; }

.app-nav, nav {
  background-color: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 0 40px;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0;
  box-shadow: none;
}
.app-nav { margin-bottom: 20px; }
@media (min-width: 1024px) {
  .app-nav, nav { overflow-x: hidden; }
}

.tabs { display: flex; }

.nav-item, .app-nav button, .app-nav a {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 12px;
  border-radius: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}

.nav-item:hover, .app-nav button:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.nav-item.active, .app-nav button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background-color: transparent;
  font-weight: 700;
}

.card, .panel, .section-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 32px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}
.card h2, .panel h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 24px;
  display: inline-block;
}

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.section-head .muted { margin: 0; }
.login-wrap { min-height: calc(100vh - 160px); display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 520px; }

button, .btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  padding: 9px 20px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn-primary, button[type="submit"], .btn-crear, button {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
.btn-primary:hover, button:hover { background-color: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-secondary, .btn-outline, .btn-editar, button.secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover, button.secondary:hover { background-color: var(--color-primary); color: #fff; }
.btn-neutral, .btn-warning, button.warning {
  background-color: transparent;
  color: var(--color-warning);
  border-color: var(--color-warning);
}
.btn-neutral:hover, button.warning:hover { background-color: var(--color-warning); color: #fff; }
.btn-danger, .btn-borrar, .btn-eliminar, button.danger {
  background-color: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}
.btn-danger:hover, button.danger:hover { background-color: var(--color-danger); color: #fff; }
button.success {
  background-color: transparent;
  color: var(--color-success);
  border-color: var(--color-success);
}
button.success:hover { background-color: var(--color-success); color: #fff; }
.btn-logout { background-color: transparent; color: var(--color-primary); border-color: var(--color-primary); align-self: center; }
.btn-logout:hover { background-color: var(--color-primary); color: #fff; }
button.full { width: 100%; }
button:disabled { opacity: .5; cursor: not-allowed; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="tel"], input[type="date"],
select, textarea {
  font-family: var(--font-body);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.2s;
  outline: none;
  box-shadow: none;
  min-height: 40px;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  background-color: #fff;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
input::placeholder, textarea::placeholder {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}
label, .field-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 5px;
}
input.invalid { border-color: var(--color-danger); background: var(--color-danger-bg); }
input.valid { border-color: var(--color-success); background: var(--color-success-bg); }
select.invalid { border-color: var(--color-danger); background: var(--color-danger-bg); }
select.valid { border-color: var(--color-success); background: var(--color-success-bg); }
.field-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  min-height: 14px;
  line-height: 1.2;
}
.required-asterisk {
  color: var(--color-danger);
  font-weight: 700;
}

.grid { display: grid; gap: 14px; }
.grid.one { grid-template-columns: 1fr; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.inline { display: inline-flex; align-items: center; gap: 8px; }
.field { display: grid; gap: 6px; }
.help { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.muted { color: var(--color-text-muted); }
.mt-12 { margin-top: 12px; }
.mb-12 { margin-bottom: 12px; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 12px; }
.metric { background: var(--color-bg-subtle); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 14px; min-width: 0; min-height: 122px; display:flex; flex-direction:column; justify-content:space-between; }
.metric small { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #5a5a5a; margin-bottom: 4px; }
.metric b { font-size: 32px; font-weight: 700; font-family: var(--font-heading); display: block; overflow-wrap: anywhere; line-height: 1.1; }
.metric .kpi-date { white-space: nowrap; font-size: 14px; line-height: 1.2; font-family: var(--font-body); font-weight: 600; }
.metric.success { border-left: 4px solid var(--color-success); }
.metric.warn { border-left: 4px solid var(--color-warning); }
.metric.alert { border-left: 4px solid var(--color-danger); }
.metric.info { border-left: 4px solid #1565c0; display: flex; flex-direction: column; justify-content: center; }
.metric.clickable { cursor: pointer; }
.kpi-note { font-size: var(--font-size-xs); color: var(--color-text-muted); }

.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); min-width: 640px; }
.dashboard-table table { min-width: 0; }
thead tr { border-bottom: 2px solid var(--color-border); }
thead th {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
  padding: 10px 12px;
  text-align: left;
}
tbody tr { border-bottom: 1px solid #f0f0f0; transition: background-color 0.15s; }
tbody tr:hover { background-color: var(--color-bg-subtle); }
tbody td { padding: 12px; color: var(--color-text); vertical-align: middle; }
tbody tr.empty-state td { text-align: center; color: var(--color-text-muted); font-style: italic; padding: 32px; }
.table-wrap td:has(.table-actions) { white-space: nowrap; }
.table-actions {
  display: flex;
  flex-direction: row;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
}
.table-actions button,
.btn-archive {
  padding: 6px 10px;
  font-size: 11px;
}
.btn-archive { min-width: 80px; white-space: nowrap; }
.users-total-badge {
  background-color: #f5f5f5;
  color: #5a5a5a;
  border: 1px solid #e0e0e0;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 4px;
}
.assignment-warning {
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.4;
}
.alarms-form-row { align-items: flex-start; }
.alarms-form-row input { line-height: 1.4; }
.report-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 16px; }
.report-btn { padding: 10px 20px; font-size: 13px; font-weight: 600; border-radius: 4px; line-height: 1.4; }
.report-btn-pdf { background: #E8472A; color: #fff; border: 1.5px solid #E8472A; }
.report-btn-excel { background: transparent; color: #E8472A; border: 1.5px solid #E8472A; }
.report-btn-refresh { background: transparent; color: #5a5a5a; border: 1.5px solid #c8c8c8; }


.badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: var(--radius-md);
  white-space: nowrap;
}
.badge-critical, .badge-critica, .badge.alert { background-color: var(--color-primary-light); color: var(--color-danger); }
.badge-warning, .badge-advertencia, .badge.warn { background-color: var(--color-warning-bg); color: var(--color-warning); }
.badge-info, .badge.info { background-color: var(--color-info-bg); color: var(--color-info); }
.badge-active, .badge-activa, .badge.ok, .badge.archived { background-color: var(--color-success-bg); color: var(--color-success); }

.card-block { border: 1px solid #ececec; border-radius: 4px; padding: 20px; background: #fafafa; }
.list-empty { border: 1px dashed var(--color-border-strong); border-radius: var(--radius-md); padding: 24px; background: var(--color-bg-subtle); color: var(--color-text-muted); }
.dashboard-presence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 100%;
}
.dashboard-presence-column {
  min-width: 0;
}
.dashboard-presence-column .table-wrap {
  overflow-x: auto;
  max-width: 100%;
}

.toast-stack { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 1200; }
.toast { background: #222; color: #fff; padding: 10px 12px; border-radius: var(--radius-md); min-width: 260px; }
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-danger); }
.toast.warning { background: var(--color-warning); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1300;
}
.modal-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  width: min(860px, 100%);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  padding: 20px;
  position: relative;
}
.modal-close-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  min-width: 36px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  font-size: 16px;
  padding: 0;
}
.modal-close-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: #fff;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.nav-toggle { display: none; }

@media (max-width: 980px) {
  .grid.two, .grid.three, .grid.four, .metrics { grid-template-columns: 1fr; }
  .dashboard-presence-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .app-header, header, .app-nav, nav { padding-left: 14px; padding-right: 14px; }
  .container { padding: 14px 10px; }
  .panel { padding: 14px; }
  .nav-toggle { display: inline-block; width: 100%; }
  .tabs { display: none; width: 100%; }
  .tabs.open { display: grid; }
  #sessionBox { width: 100%; }

  table { min-width: 0; }
  table thead { display: none; }
  table, tbody, tr, td { display: block; width: 100%; }
  tr { border-bottom: 1px solid var(--color-border); padding: 6px 0; }
  td { border: 0; display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; }
  td::before { content: attr(data-label); font-weight: 600; color: var(--color-text-muted); flex: 0 0 46%; }
  td > * { text-align: right; }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 16px;
  }

  .header-right {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
  }

  .btn-logout {
    margin-left: auto;
    padding: 5px 12px;
    font-size: 11px;
    align-self: center;
  }

  .header-user-info {
    font-size: 12px;
    text-align: left;
  }

  .user-table-actions,
  tr td:last-child .table-actions,
  [data-label="Acciones"] .btn-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }

  [data-label="Acciones"] button,
  .user-table-actions button {
    width: 100%;
    text-align: center;
    padding: 10px;
  }

  .nav-mobile-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

  .nav-mobile-left-block,
  .nav-mobile-label {
    display: none;
  }

  .nav-mobile-links {
    width: 100%;
    display: none;
    flex-direction: column;
  }

  .nav-mobile-links.open {
    display: flex;
  }

  .nav-mobile-links button,
  .nav-mobile-links a {
    width: 100%;
    text-align: left;
    padding: 14px 20px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 13px;
  }

  .nav-mobile-links button.active {
    color: #E8472A;
    border-left: 4px solid #E8472A;
    padding-left: 16px;
    background: transparent;
  }

  .nav-mobile-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 10px 16px;
    width: 100%;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #1C1C1C;
    cursor: pointer;
  }

  .kpi-grid,
  .dashboard-kpi-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .kpi-card {
    padding: 16px 12px;
  }

  .kpi-card .kpi-value {
    font-size: 28px;
  }

  .kpi-card .kpi-label {
    font-size: 10px;
  }

  .kpi-card.kpi-timestamp .kpi-value {
    font-size: 11px !important;
    font-weight: 700;
    line-height: 1.5;
    white-space: normal;
    word-break: break-all;
    overflow-wrap: break-word;
    overflow: hidden;
    max-width: 100%;
  }

  .alarm-row-mensaje,
  .alarm-table [data-label="Mensaje"],
  .alarm-table [data-label="Cámara"],
  .alarm-table [data-label="DNI"],
  .alarm-table [data-label="Tag"],
  .alerts-mobile-compact [data-label="Sel"],
  .alerts-mobile-compact [data-label="Trabajador"],
  .alerts-mobile-compact [data-label="DNI"],
  .alerts-mobile-compact [data-label="Tag"],
  .alerts-mobile-compact [data-label="Cámara"],
  .alerts-mobile-compact [data-label="Mensaje"],
  .alerts-mobile-compact [data-label="Estado"],
  .alerts-mobile-compact [data-label="Archivado por"] {
    display: none !important;
  }

  .alarm-table tbody tr {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
  }

  .alarm-table [data-label="Tipo"],
  .alerts-mobile-compact [data-label="Tipo"] { flex: 1 1 100%; font-weight: 600; }
  .alarm-table [data-label="Severidad"],
  .alerts-mobile-compact [data-label="Severidad"] { flex: 0 0 auto; }
  .alarm-table [data-label="Fecha"],
  .alerts-mobile-compact [data-label="Fecha"] { flex: 0 0 auto; font-size: 11px; color: #5a5a5a; margin-left: auto; }

  .alerts-bulk-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
  }

  .btn-archivar-seleccionadas {
    background-color: #fff3e0;
    color: #e65100;
    border: 1.5px solid #e65100;
    font-weight: 700;
    text-align: center;
    padding: 10px;
  }

  .alerts-top-actions {
    display: flex;
    flex-direction: row;
    gap: 8px;
  }

  .alerts-top-actions button {
    flex: 1;
    font-size: 11px;
    padding: 9px 8px;
  }

  .report-actions button {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .modal-card {
    width: 100%;
    padding: 16px;
  }
  .modal-actions {
    flex-direction: column-reverse;
  }
  .modal-actions button {
    width: 100%;
  }
  .assignment-step-card p,
  .create-worker-card p {
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
    max-width: 100%;
  }

  .create-worker-card input,
  .create-worker-card button,
  .assignment-step-card input,
  .assignment-step-card button,
  .assignment-step-card select {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .assignment-step-card,
  .create-worker-card {
    overflow: hidden;
    padding: 16px;
  }

  .assignment-step-card .grid.two,
  .create-worker-card .grid.two {
    grid-template-columns: 1fr;
  }


  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-header .live-timestamp {
    font-size: 11px;
    color: #999;
    margin-top: 2px;
  }

  .page-header h2 {
    font-size: 26px;
    margin-top: 4px;
  }

  .password-toggle-btn,
  .btn-mostrar {
    background: transparent;
    border: none;
    color: #999;
    font-size: 11px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    padding: 0 8px;
    cursor: pointer;
  }

  .password-toggle-btn:hover { color: #E8472A; }

  body, .container, .panel { overflow-x: hidden; }
  input, select, textarea, button { min-height: 44px; }
}