/* ========================================================================
   Fletes México - Sistema de Firma de Políticas
   Identidad visual unificada
   ======================================================================== */

:root {
  --fm-azul:        #1F4E79;
  --fm-azul-osc:    #173D5F;
  --fm-azul-cl:     #E8F0F9;
  --fm-naranja:     #ED7D31;
  --fm-naranja-osc: #C95E11;
  --fm-amarillo:    #FFC107;
  --fm-gris-bg:     #F5F7FA;
  --fm-gris-borde:  #DEE2E6;
  --fm-gris-txt:    #5A6473;
  --fm-exito:       #2E7D32;
  --fm-error:       #C62828;
  --fm-texto:       #1F2937;
  --fm-radio:       10px;
  --fm-sombra:      0 6px 20px rgba(31, 78, 121, 0.10);
  --fm-sombra-hov:  0 10px 28px rgba(31, 78, 121, 0.18);
  --fm-font:        "Inter", "Segoe UI", "Arial", "Helvetica", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--fm-gris-bg);
  color: var(--fm-texto);
  font-family: var(--fm-font);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ============ Encabezado global ============ */
.fm-topbar {
  background: linear-gradient(135deg, var(--fm-azul) 0%, var(--fm-azul-osc) 100%);
  color: #fff;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.fm-topbar .marca {
  display: flex;
  align-items: center;
  gap: 14px;
}

.fm-topbar .marca img {
  width: 64px;
  height: auto;
  background: #fff;
  border-radius: 6px;
  padding: 4px 6px;
}

.fm-topbar .marca .titulo {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}

.fm-topbar .marca .subtitulo {
  font-size: 12px;
  opacity: 0.85;
}

.fm-topbar .iso {
  font-size: 11px;
  text-align: right;
  opacity: 0.85;
  line-height: 1.4;
}

/* ============ Pie de página global ============ */
.fm-footbar {
  text-align: center;
  padding: 18px;
  font-size: 11px;
  color: var(--fm-gris-txt);
  border-top: 1px solid var(--fm-gris-borde);
  margin-top: 30px;
}

.fm-footbar strong { color: var(--fm-azul); }

/* ============ Botones ============ */
.fm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--fm-radio);
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
  line-height: 1;
}

.fm-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--fm-sombra-hov);
}

.fm-btn:disabled,
.fm-btn.disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.fm-btn-primary {
  background: var(--fm-azul);
  color: #fff;
}
.fm-btn-primary:hover:not(:disabled) {
  background: var(--fm-azul-osc);
  color: #fff;
}

.fm-btn-accent {
  background: var(--fm-naranja);
  color: #fff;
}
.fm-btn-accent:hover:not(:disabled) {
  background: var(--fm-naranja-osc);
  color: #fff;
}

.fm-btn-ghost {
  background: #fff;
  color: var(--fm-azul);
  border-color: var(--fm-azul);
}
.fm-btn-ghost:hover:not(:disabled) {
  background: var(--fm-azul-cl);
  color: var(--fm-azul);
}

.fm-btn-danger {
  background: #fff;
  color: var(--fm-error);
  border-color: var(--fm-error);
}
.fm-btn-danger:hover:not(:disabled) {
  background: var(--fm-error);
  color: #fff;
}

/* ============ Tarjeta / contenedor ============ */
.fm-card {
  background: #fff;
  border-radius: var(--fm-radio);
  box-shadow: var(--fm-sombra);
  padding: 28px;
}

/* ============ INDEX – Pantalla bienvenida ============ */
.fm-bienvenida {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.fm-bienvenida .panel {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.fm-bienvenida .logo {
  width: 140px;
  margin: 0 auto 18px;
  display: block;
}

.fm-bienvenida h1 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--fm-azul);
}

.fm-bienvenida p.intro {
  margin: 0 0 26px;
  color: var(--fm-gris-txt);
  font-size: 14px;
}

.fm-bienvenida .form-grupo {
  text-align: left;
  margin-bottom: 18px;
}

.fm-bienvenida label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
  color: var(--fm-azul);
}

.fm-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--fm-gris-borde);
  border-radius: var(--fm-radio);
  font-size: 16px;
  font-family: inherit;
  background: #fff;
  color: var(--fm-texto);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.fm-input:focus {
  outline: none;
  border-color: var(--fm-azul);
  box-shadow: 0 0 0 3px rgba(31, 78, 121, 0.15);
}

.fm-input.invalido {
  border-color: var(--fm-error);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.10);
}

.fm-msg-error {
  color: var(--fm-error);
  font-size: 12px;
  margin-top: 6px;
  display: none;
}
.fm-msg-error.activo { display: block; }

.fm-bienvenida .acciones {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
}

.fm-cargando {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: fm-spin 0.7s linear infinite;
}

/* Acceso a reportes desde index */
.acceso-admin {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--fm-gris-borde);
  text-align: center;
}

.link-reportes {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fm-gris-txt);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}

.link-reportes:hover {
  background: var(--fm-azul-cl);
  color: var(--fm-azul);
}

.link-reportes .ic {
  font-size: 16px;
  opacity: 0.7;
}
@keyframes fm-spin { to { transform: rotate(360deg); } }

/* ============ SIGNATURE – Stepper ============ */
.fm-signature-wrap {
  max-width: 920px;
  margin: 24px auto;
  padding: 0 18px;
  position: relative;
}

.fm-empleado-info {
  background: #fff;
  border-radius: var(--fm-radio);
  box-shadow: var(--fm-sombra);
  padding: 14px 22px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.fm-empleado-info .dato {
  display: flex;
  flex-direction: column;
}

.fm-empleado-info .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fm-gris-txt);
}

.fm-empleado-info .valor {
  font-weight: 600;
  color: var(--fm-azul);
  font-size: 15px;
}

.fm-stepper {
  background: #fff;
  border-radius: var(--fm-radio);
  box-shadow: var(--fm-sombra);
  padding: 18px 22px;
  margin-bottom: 14px;
}

.fm-stepper-cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.fm-stepper-cabecera .progreso {
  font-size: 13px;
  color: var(--fm-gris-txt);
}

.fm-stepper-cabecera .progreso strong {
  color: var(--fm-azul);
  font-size: 16px;
}

.fm-stepper-bar {
  height: 6px;
  background: var(--fm-gris-borde);
  border-radius: 6px;
  overflow: hidden;
}

.fm-stepper-bar .relleno {
  height: 100%;
  background: linear-gradient(90deg, var(--fm-azul), var(--fm-naranja));
  width: 25%;
  transition: width 0.3s ease;
  border-radius: 6px;
}

.fm-pasos {
  display: flex;
  gap: 4px;
  margin-top: 14px;
  overflow-x: auto;
}

.fm-paso {
  flex: 1;
  min-width: 92px;
  background: #fff;
  border: 1.5px solid var(--fm-gris-borde);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--fm-gris-txt);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.fm-paso .num {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--fm-gris-borde);
  color: #fff;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 22px;
}

.fm-paso.activo {
  border-color: var(--fm-azul);
  background: var(--fm-azul-cl);
  color: var(--fm-azul);
  font-weight: 600;
}
.fm-paso.activo .num { background: var(--fm-azul); }

.fm-paso.completado {
  border-color: var(--fm-exito);
  color: var(--fm-exito);
}
.fm-paso.completado .num { background: var(--fm-exito); }

/* Contenido de las hojas */
.fm-hoja-container {
  background: #fff;
  border-radius: var(--fm-radio);
  box-shadow: var(--fm-sombra);
  padding: 32px 36px;
  min-height: 480px;
}

.fm-hoja-container .tabcontent {
  display: none;
}

.fm-hoja-container .tabcontent.activa {
  display: block;
  animation: fm-fadein 0.3s ease;
}

@keyframes fm-fadein {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Texto del documento dentro del stepper */
.fm-hoja-container .tablaGrande {
  width: 100%;
  border-collapse: collapse;
}
.fm-hoja-container .tablaGrande td {
  vertical-align: top;
  padding: 4px 0;
}

/* Controles de navegación entre hojas */
.fm-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

/* Bloque firma — vive FUERA del stepper. Inicialmente está fuera de viewport
   (position: absolute con top negativo) pero conserva sus dimensiones reales,
   así canvas.offsetWidth siempre retorna el valor correcto. */
.fm-firma-bloque {
  background: var(--fm-azul-cl);
  border: 2px dashed var(--fm-azul);
  border-radius: var(--fm-radio);
  padding: 24px 28px;
  margin-top: 14px;
  /* Estado oculto: sacado de la viewport pero con layout calculable */
  position: absolute;
  left: 18px;
  right: 18px;
  top: -10000px;
  visibility: hidden;
  pointer-events: none;
}

.fm-firma-bloque.visible {
  position: static;
  top: auto;
  left: auto;
  right: auto;
  visibility: visible;
  pointer-events: auto;
}

.fm-firma-bloque .firma-label {
  font-size: 13px;
  color: var(--fm-azul);
  font-weight: 600;
  margin: 14px 0 8px;
  text-align: center;
}

.fm-firma-bloque h3 {
  margin: 0 0 8px;
  color: var(--fm-azul);
  font-size: 16px;
}

.fm-firma-bloque .nota {
  color: var(--fm-gris-txt);
  font-size: 13px;
  margin: 0 0 14px;
}

.fm-firma-canvas-wrap {
  background: #fff;
  border: 1.5px solid var(--fm-gris-borde);
  border-radius: 8px;
  padding: 0;
  display: block;
  position: relative;
  width: 100%;
  margin: 0 auto;
  box-shadow: inset 0 0 0 1px rgba(31, 78, 121, 0.04);
}

#signature-pad {
  display: block;
  cursor: crosshair;
  border-radius: 8px;
  width: 100%;
  height: 220px;
  touch-action: none;
}

.fm-firma-linea {
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 38px;
  border-bottom: 1.5px dashed #C9D2DD;
  pointer-events: none;
}

.fm-firma-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #BDC4CC;
  font-size: 15px;
  font-style: italic;
  pointer-events: none;
  user-select: none;
}

.fm-firma-placeholder.oculto { display: none; }

.fm-checkbox-wrap {
  margin-top: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--fm-texto);
}

.fm-checkbox-wrap input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--fm-azul);
  cursor: pointer;
}

.fm-checkbox-wrap label {
  cursor: pointer;
  line-height: 1.4;
}

.fm-firma-acciones {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* ============ FIRMADO – pantalla éxito ============ */
.fm-exito-wrap {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.fm-exito-card {
  max-width: 520px;
  text-align: center;
  background: #fff;
  border-radius: var(--fm-radio);
  box-shadow: var(--fm-sombra);
  padding: 44px 32px;
}

.fm-exito-icono {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--fm-exito);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 44px;
  animation: fm-pop 0.45s ease;
}

@keyframes fm-pop {
  0%   { transform: scale(0); }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.fm-exito-card h1 {
  margin: 0 0 10px;
  color: var(--fm-azul);
  font-size: 24px;
}

.fm-exito-card p {
  color: var(--fm-gris-txt);
  margin: 0 0 22px;
  font-size: 14px;
}

/* ============ LISTA – tabla mejorada ============ */
.fm-lista-wrap {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 18px;
}

.fm-lista-titulo {
  color: var(--fm-azul);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 18px;
}

table.dataTable thead th {
  background: var(--fm-azul);
  color: #fff;
  border: none;
}

table.dataTable tbody tr:hover {
  background: var(--fm-azul-cl);
}

/* ============ Responsive ============ */
@media (max-width: 720px) {
  .fm-topbar { padding: 12px 16px; flex-wrap: wrap; }
  .fm-topbar .iso { font-size: 10px; }
  .fm-hoja-container { padding: 18px 16px; min-height: 360px; }
  .fm-stepper { padding: 14px; }
  .fm-paso { min-width: 70px; font-size: 11px; padding: 6px; }
  .fm-paso .num { width: 18px; height: 18px; line-height: 18px; font-size: 11px; }
  #signature-pad { height: 180px; }
  .fm-firma-bloque { padding: 18px; }
  .fm-empleado-info { flex-direction: column; align-items: flex-start; }
}