/* =====================================
   INVENTORY PRO
   Estilos generales
===================================== */

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

:root {
    --color-principal: #172b4d;
    --color-secundario: #2563eb;
    --color-fondo: #f3f6fb;
    --color-texto: #253047;
    --color-borde: #e2e8f0;
    --color-blanco: #ffffff;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--color-fondo);
    color: var(--color-texto);
    min-height: 100vh;
}

.encabezado {
    background: var(--color-principal);
    color: var(--color-blanco);
    padding: 22px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

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

.marca-icono {
    background: var(--color-secundario);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: bold;
    font-size: 19px;
}

.marca h1 {
    font-size: 20px;
    letter-spacing: 1px;
}

.marca p {
    color: #cbd5e1;
    font-size: 12px;
    margin-top: 5px;
}

.estado {
    font-size: 12px;
    background: #25466e;
    padding: 9px 14px;
    border-radius: 20px;
}

.contenedor {
    max-width: 1200px;
    margin: auto;
    padding: 45px 25px;
}

.bienvenida {
    background: var(--color-blanco);
    padding: 45px;
    border-radius: 16px;
    border: 1px solid var(--color-borde);
    margin-bottom: 40px;
}

.etiqueta {
    color: var(--color-secundario);
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 2px;
}

.bienvenida h2 {
    font-size: 32px;
    margin: 18px 0 12px;
}

.bienvenida p {
    color: #64748b;
    line-height: 1.7;
}

.acciones {
    margin-top: 25px;
}

button {
    background: var(--color-secundario);
    color: white;
    border: none;
    padding: 13px 24px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.modulos h2 {
    margin-bottom: 22px;
    font-size: 22px;
}

.rejilla-modulos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.tarjeta {
    background: var(--color-blanco);
    border: 1px solid var(--color-borde);
    border-radius: 12px;
    padding: 24px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.tarjeta:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.tarjeta span {
    font-size: 28px;
}

.tarjeta h3 {
    margin: 14px 0 8px;
    font-size: 16px;
}

.tarjeta p {
    color: #64748b;
    font-size: 13px;
    line-height: 1.6;
}

footer {
    text-align: center;
    color: #94a3b8;
    font-size: 12px;
    padding: 35px 0 10px;
}

@media (max-width: 800px) {
    .rejilla-modulos {
        grid-template-columns: repeat(2, 1fr);
    }

    .bienvenida h2 {
        font-size: 25px;
    }
}

@media (max-width: 520px) {
    .encabezado {
        align-items: flex-start;
        flex-direction: column;
    }

    .rejilla-modulos {
        grid-template-columns: 1fr;
    }

    .bienvenida {
        padding: 25px;
    }
}

/* =====================================
   PANTALLA DE INICIO DE SESIÓN
===================================== */

.pagina-login {
    min-height: 100vh;
    background: #edf2f8;
}

.contenedor-login {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px;
}

.panel-login {
    width: 100%;
    max-width: 440px;
    background: white;
    padding: 42px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}

.logo-login {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin: 0 auto 18px;
    border-radius: 15px;
    background: #2563eb;
    color: white;
    font-size: 22px;
    font-weight: bold;
}

.panel-login h1 {
    text-align: center;
    color: #172b4d;
    font-size: 23px;
    letter-spacing: 1px;
}

.subtitulo-login {
    text-align: center;
    color: #64748b;
    font-size: 13px;
    margin-top: 8px;
}

.separador-login {
    height: 1px;
    background: #e2e8f0;
    margin: 28px 0;
}

.panel-login h2 {
    font-size: 23px;
    color: #172b4d;
    margin-bottom: 8px;
}

.texto-login {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 25px;
}

#formularioLogin {
    display: flex;
    flex-direction: column;
}

#formularioLogin > label {
    font-size: 13px;
    font-weight: bold;
    margin: 15px 0 8px;
}

#formularioLogin input[type="text"],
#formularioLogin input[type="password"] {
    width: 100%;
    padding: 13px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
}

#formularioLogin input:focus {
    border-color: #2563eb;
}

.opciones-login {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    font-size: 12px;
}

.recordar {
    display: flex;
    align-items: center;
    gap: 6px;
}

.opciones-login a {
    color: #2563eb;
    text-decoration: none;
}

.boton-login {
    width: 100%;
    padding: 14px;
    font-weight: bold;
}

.mensaje-login {
    margin-top: 15px;
    text-align: center;
    font-size: 13px;
    color: #b45309;
}

.pie-login {
    margin-top: 30px;
    text-align: center;
    font-size: 11px;
    color: #94a3b8;
}

@media (max-width: 480px) {
    .panel-login {
        padding: 28px 22px;
    }

    .opciones-login {
        flex-wrap: wrap;
    }
}