:root {
    --verde-principal: #007934;
    --verde-claro: #6ba43a;
    --verde-oscuro: #005323;
    --verde-fondo: #eef7ee;
    --gris-texto: #2b2f2b;
    --gris-suave: #6b7268;
    --gris-borde: #dfe6de;
    --blanco: #ffffff;
    --rojo-alerta: #c0392b;
    --amarillo-alerta: #d4a017;
    --sombra: 0 2px 10px rgba(0, 40, 15, 0.08);
    --radio: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--verde-fondo);
    color: var(--gris-texto);
    -webkit-font-smoothing: antialiased;
}

#app { min-height: 100vh; display: flex; flex-direction: column; }

/* ---------- Pantalla de carga ---------- */
.pantalla-carga {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    background: linear-gradient(135deg, var(--verde-claro), var(--verde-principal));
}
.pantalla-carga .logo-carga {
    width: 96px; height: 96px; border-radius: 22px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.spinner {
    width: 32px; height: 32px;
    border: 3px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: girar 0.8s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

/* ---------- Login ---------- */
.pantalla-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--verde-claro) 0%, var(--verde-principal) 60%, var(--verde-oscuro) 100%);
    padding: 20px;
}
.tarjeta-login {
    background: var(--blanco);
    border-radius: 16px;
    padding: 40px 32px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    text-align: center;
}
.tarjeta-login img.logo-login { width: 72px; height: 72px; border-radius: 16px; margin-bottom: 16px; }
.tarjeta-login h1 { font-size: 1.4rem; margin: 0 0 4px; color: var(--verde-oscuro); }
.tarjeta-login p.subtitulo { color: var(--gris-suave); margin: 0 0 24px; font-size: 0.9rem; }

.campo { text-align: left; margin-bottom: 16px; }
.campo label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--gris-texto); }
.campo input, .campo select, .campo textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1.5px solid var(--gris-borde);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color .15s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
    outline: none;
    border-color: var(--verde-principal);
}
.campo textarea { resize: vertical; min-height: 70px; }

.boton {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--verde-principal);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, transform .05s;
    width: 100%;
}
.boton:hover { background: var(--verde-oscuro); }
.boton:active { transform: scale(0.98); }
.boton:disabled { opacity: 0.6; cursor: not-allowed; }
.boton.secundario { background: transparent; color: var(--verde-principal); border: 1.5px solid var(--verde-principal); }
.boton.secundario:hover { background: var(--verde-fondo); }
.boton.peligro { background: var(--rojo-alerta); }
.boton.peligro:hover { background: #96281b; }
.boton.chico { width: auto; padding: 8px 14px; font-size: 0.85rem; }

.mensaje-error {
    background: #fdecea; color: var(--rojo-alerta);
    border-radius: 8px; padding: 10px 14px; font-size: 0.85rem; margin-bottom: 16px;
    text-align: left;
}
.mensaje-ok {
    background: #eaf7ec; color: var(--verde-oscuro);
    border-radius: 8px; padding: 10px 14px; font-size: 0.85rem; margin-bottom: 16px;
    text-align: left;
}

/* ---------- Layout principal: sidebar vertical (estilo TASSOS) ---------- */
:root { --sb-width: 230px; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sb-width); flex-shrink: 0;
    background: linear-gradient(180deg, var(--verde-oscuro), var(--verde-principal));
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 40;
    display: flex; flex-direction: column;
    padding: 1.3rem 0.9rem;
    overflow-y: auto;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px;
    padding-bottom: 1.1rem; margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.sidebar-brand img { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; }
.sidebar-brand-text { color: #fff; font-weight: 700; font-size: 0.92rem; line-height: 1.25; }
.sidebar-brand-text span { display: block; font-size: 0.68rem; font-weight: 400; color: rgba(255,255,255,0.6); }

.sidebar-controls { display: flex; gap: 6px; margin-bottom: 1.1rem; }
.sidebar-controls .icono-boton {
    width: 32px; height: 32px; border-radius: 8px;
    background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.15);
    color: #fff; font-size: 14px;
}
.sidebar-controls .icono-boton:hover { background: rgba(255,255,255,0.24); color: #fff; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-nav .pestaña {
    color: rgba(255,255,255,0.65); text-align: left;
    padding: 0.7rem 0.8rem; font-size: 0.82rem; font-weight: 600;
    border-left: 3px solid transparent; border-radius: 0 8px 8px 0;
    cursor: pointer; background: none; border-top: none; border-right: none; border-bottom: none;
    white-space: normal; line-height: 1.3;
}
.sidebar-nav .pestaña:hover { color: #fff; background: rgba(255,255,255,0.08); }
.sidebar-nav .pestaña.activa { color: #fff; background: rgba(255,255,255,0.16); border-left-color: #fff; }
.sidebar-nav .pestaña.agregar { color: #d7f5d0; margin-top: 6px; }

.sidebar-footer {
    margin-top: auto; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.15);
    display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap;
}
.sidebar-footer span:first-child { color: #fff; font-size: 0.8rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-footer .badge-rol { background: rgba(255,255,255,0.16); color: #fff; }

.badge-rol {
    background: var(--verde-fondo); color: var(--verde-oscuro);
    padding: 3px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
}

.app-main { flex: 1; margin-left: var(--sb-width); display: flex; flex-direction: column; min-width: 0; }
.contenido { flex: 1; padding: 24px; max-width: 1200px; width: 100%; margin: 0 auto; }

@media (max-width: 900px) {
    .sidebar { position: relative; width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; padding: 0.7rem 0.9rem; }
    .sidebar-brand { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
    .sidebar-controls { margin-bottom: 0; }
    .sidebar-nav { flex-direction: row; flex-wrap: nowrap; overflow-x: auto; width: 100%; order: 3; }
    .sidebar-nav .pestaña { border-left: none; border-bottom: 2px solid transparent; border-radius: 6px; white-space: nowrap; flex-shrink: 0; }
    .sidebar-nav .pestaña.activa { border-left: none; border-bottom-color: #fff; }
    .sidebar-footer { display: none; }
    .app-main { margin-left: 0; }
}

.barra-acciones { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.barra-acciones .titulo-vista { font-size: 1.15rem; font-weight: 700; color: var(--verde-oscuro); }
.barra-acciones .acciones { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Tarjetas de resumen (dashboard) ---------- */
.tarjetas-resumen { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 20px; }
.tarjeta-resumen { background: var(--blanco); border-radius: var(--radio); padding: 16px; box-shadow: var(--sombra); }
.tarjeta-resumen h3 { margin: 0 0 10px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--gris-suave); }
.tarjeta-resumen .fila-dato { display: flex; justify-content: space-between; font-size: 0.9rem; padding: 5px 0; border-bottom: 1px dashed var(--gris-borde); }
.tarjeta-resumen .fila-dato:last-child { border-bottom: none; }
.tarjeta-resumen .fila-dato b { color: var(--verde-oscuro); }
.tarjeta-resumen .total-grande { font-size: 2.1rem; font-weight: 800; color: var(--verde-principal); }

/* ---------- Tabla de registros ---------- */
.tabla-contenedor { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); overflow: auto; }
table.tabla-registros { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.tabla-registros th {
    background: var(--verde-fondo); color: var(--verde-oscuro);
    text-align: left; padding: 10px 12px; white-space: nowrap; position: sticky; top: 0;
}
table.tabla-registros td { padding: 9px 12px; border-bottom: 1px solid var(--gris-borde); vertical-align: top; }
table.tabla-registros tr:hover td { background: #fbfdfb; }
.celda-acciones { display: flex; gap: 6px; }
.icono-boton {
    background: none; border: none; cursor: pointer; padding: 4px 6px; border-radius: 6px; color: var(--gris-suave);
}
.icono-boton:hover { background: var(--verde-fondo); color: var(--verde-principal); }
.icono-boton.borrar:hover { background: #fdecea; color: var(--rojo-alerta); }

.chip { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; }
.chip-pendiente { background: #fdf3e0; color: var(--amarillo-alerta); }
.chip-en-curso { background: #e6eef7; color: #2a5d8f; }
.chip-finalizado, .chip-implementado { background: #eaf7ec; color: var(--verde-oscuro); }
.chip-pausa { background: #f2f2f2; color: var(--gris-suave); }
.chip-defecto { background: var(--gris-borde); color: var(--gris-texto); }

/* ---------- Vista Gantt ---------- */
.gantt-contenedor { background: var(--blanco); border-radius: var(--radio); box-shadow: var(--sombra); overflow-x: auto; padding: 16px; }
.gantt-fila { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--gris-borde); }
.gantt-info { width: 260px; flex-shrink: 0; }
.gantt-info .titulo { font-weight: 700; font-size: 0.87rem; color: var(--verde-oscuro); }
.gantt-info .meta { font-size: 0.75rem; color: var(--gris-suave); margin-top: 2px; }
.gantt-pista { position: relative; flex: 1; min-width: 500px; height: 26px; background: repeating-linear-gradient(to right, #f4f7f4 0, #f4f7f4 calc(100%/12 - 1px), #e6ece6 calc(100%/12 - 1px), #e6ece6 calc(100%/12)); border-radius: 6px; }
.gantt-barra { position: absolute; top: 3px; height: 20px; border-radius: 5px; font-size: 0.7rem; color: #fff; display: flex; align-items: center; padding: 0 8px; overflow: hidden; white-space: nowrap; }
.gantt-barra.pendiente { background: var(--gris-suave); }
.gantt-barra.en-curso { background: #4a7fb5; }
.gantt-barra.finalizado, .gantt-barra.implementado { background: var(--verde-principal); }
.gantt-barra.pausa { background: var(--amarillo-alerta); }
.gantt-barra.atrasado { background: var(--rojo-alerta); }
.gantt-meses { display: flex; margin-left: 274px; min-width: 500px; font-size: 0.7rem; color: var(--gris-suave); margin-bottom: 6px; }
.gantt-meses span { flex: 1; text-align: center; border-left: 1px solid var(--gris-borde); }

/* ---------- Modal / ventana flotante (arrastrable y minimizable) ---------- */
.fondo-modal {
    position: fixed; inset: 0; background: rgba(0,30,10,0.45);
    display: flex; align-items: flex-start; justify-content: center;
    overflow-y: auto; padding: 40px 16px; z-index: 100;
}
.fondo-modal.minimizada { display: none; }
.modal {
    background: var(--blanco); border-radius: 14px;
    width: 100%; max-width: 560px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    display: flex; flex-direction: column; max-height: calc(100vh - 80px);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 16px 20px; border-bottom: 1px solid var(--gris-borde);
    background: var(--verde-fondo); border-radius: 14px 14px 0 0;
    cursor: move; flex-shrink: 0;
}
.modal-header h2 { margin: 0; font-size: 1.08rem; color: var(--verde-oscuro); }
.modal-controles { display: flex; gap: 4px; flex-shrink: 0; }
.modal-controles .icono-boton {
    width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
    font-size: 1.05rem; line-height: 1;
}
.modal-controles .icono-boton.cerrar:hover { background: #fdecea; color: var(--rojo-alerta); }
.cuerpo-modal { padding: 22px 24px 26px; overflow-y: auto; }
.modal .fila-botones { display: flex; gap: 10px; margin-top: 20px; }

.dock-minimizados {
    position: fixed; bottom: 16px; right: 16px; z-index: 150;
    display: flex; flex-direction: column-reverse; gap: 8px; align-items: flex-end;
}
.pildora-minimizada {
    background: var(--verde-oscuro); color: #fff; border: none; border-radius: 20px;
    padding: 9px 16px; font-size: 12px; font-weight: 700; cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,40,15,0.35); max-width: 270px; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; font-family: inherit;
}
.pildora-minimizada:hover { background: var(--verde-principal); }

.checkbox-linea { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.checkbox-linea input { width: auto; }

/* ---------- Admin: usuarios y tipos ---------- */
.lista-usuarios, .lista-tipos { display: flex; flex-direction: column; gap: 10px; }
.item-usuario, .item-campo {
    background: var(--blanco); border-radius: 10px; padding: 14px 16px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px; box-shadow: var(--sombra); flex-wrap: wrap;
}
.item-usuario .info-usuario { display: flex; flex-direction: column; }
.item-usuario .info-usuario strong { color: var(--verde-oscuro); }
.item-usuario .info-usuario span { font-size: 0.8rem; color: var(--gris-suave); }
.item-usuario select { padding: 6px 10px; border-radius: 6px; border: 1px solid var(--gris-borde); }

.constructor-campos { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.fila-campo-constructor { display: grid; grid-template-columns: 2fr 1.3fr auto auto; gap: 8px; align-items: center; }
.fila-campo-constructor input, .fila-campo-constructor select { padding: 8px; border-radius: 6px; border: 1px solid var(--gris-borde); }

/* ---------- Importador Excel ---------- */
.zona-importar { border: 2px dashed var(--gris-borde); border-radius: 10px; padding: 24px; text-align: center; color: var(--gris-suave); cursor: pointer; }
.zona-importar:hover { border-color: var(--verde-principal); color: var(--verde-principal); }
.tabla-mapeo { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-top: 14px; }
.tabla-mapeo th, .tabla-mapeo td { padding: 6px 8px; border-bottom: 1px solid var(--gris-borde); text-align: left; }
.tabla-mapeo select { width: 100%; padding: 5px; border-radius: 5px; border: 1px solid var(--gris-borde); }

/* ---------- Vacío / estados ---------- */
.estado-vacio { text-align: center; padding: 60px 20px; color: var(--gris-suave); }
.estado-vacio .icono-vacio { font-size: 2.4rem; margin-bottom: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
    .contenido { padding: 12px; }
    .gantt-info { width: 160px; }
    .gantt-meses { margin-left: 174px; }
    .item-usuario { flex-direction: column; align-items: flex-start; }
    .fila-campo-constructor { grid-template-columns: 1fr; }
}