/* ═══════════════════════════════════════════════════════════════════════
   ERP Hermen Ltda. — Página de Acceso
   Dark industrial theme — fondo unificado #0F172A
   Paleta:
     #0F172A  fondo oscuro principal (toda la pantalla)
     #4F7CF3  azul operativo (acento, botón, glow)
     #3B82F6  azul variante (gradiente botón)
     #3A64D8  azul oscuro hover
     rgba(255,255,255,.96)  card casi-opaco blanco
═══════════════════════════════════════════════════════════════════════ */

/* ── Reset base ─────────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --op-blue:     #4F7CF3;
    --op-blue-dk:  #3A64D8;
    --fondo:       #0F172A;
    --card-bg:     rgba(255, 255, 255, .96);
    --borde:       #E5E7EB;
    --borde-soft:  rgba(255, 255, 255, .08);
    --texto:       #111827;
    --texto-sub:   #6B7280;
    --texto-muted: #9CA3AF;
    --error-bg:    #FEF2F2;
    --error-borde: #FECACA;
    --error-txt:   #991B1B;
    --error-line:  #DC2626;
}

/* ── Cuerpo — fondo oscuro + trama técnica ──────────────────────────── */
body {
    font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
    min-height: 100vh;
    background: var(--fondo);
    display: flex;
    align-items: stretch;
    position: relative;
    overflow-x: hidden;
}

/* Trama cuadrícula sutil sobre todo el fondo */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 59px,
            rgba(255, 255, 255, .026) 59px,
            rgba(255, 255, 255, .026) 60px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 59px,
            rgba(255, 255, 255, .026) 59px,
            rgba(255, 255, 255, .026) 60px
        );
    pointer-events: none;
    z-index: 0;
}

/* ── Glows decorativos ── posicionados fijos antes del root ─────────── */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

.bg-glow-1 {
    top: -180px;
    left: -160px;
    width: 640px;
    height: 640px;
    background: radial-gradient(
        circle,
        rgba(79, 124, 243, .22) 0%,
        transparent 65%
    );
    animation: glowPulse 6s ease-in-out infinite;
}

.bg-glow-2 {
    bottom: -200px;
    right: -180px;
    width: 560px;
    height: 560px;
    background: radial-gradient(
        circle,
        rgba(59, 130, 246, .16) 0%,
        transparent 65%
    );
    animation: glowPulse 8s ease-in-out infinite reverse;
}

@keyframes glowPulse {
    0%, 100% { opacity: 1;   transform: scale(1); }
    50%       { opacity: .65; transform: scale(1.07); }
}


/* ═══════════════════════════════════════════════════════════════════════
   LAYOUT RAÍZ — 2 columnas full-height, sobre el fondo oscuro
═══════════════════════════════════════════════════════════════════════ */
.erp-root {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
    z-index: 2;
}


/* ═══════════════════════════════════════════════════════════════════════
   PANEL IZQUIERDO — Branding + chips de módulos
═══════════════════════════════════════════════════════════════════════ */
.lp {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 60px 52px 60px 80px;
    animation: slideInLeft .55s cubic-bezier(.22, 1, .36, 1) both;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-28px); }
    to   { opacity: 1; transform: translateX(0); }
}

.lp-inner {
    max-width: 420px;
}

/* Logo */
.lp-logo-wrap {
    margin-bottom: 28px;
}
.lp-logo {
    width: 155px;
    max-width: 100%;
    height: auto;
    /* logo_sidebar.png optimizado para fondo oscuro */
    filter: brightness(1.05);
}

/* Nombre empresa */
.lp-name {
    font-size: 48px;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 8px;
}

/* Subtítulo */
.lp-tagline {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, .5);
    letter-spacing: .8px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

/* Línea de módulos */
.lp-tags {
    font-size: 12.5px;
    color: rgba(255, 255, 255, .28);
    letter-spacing: .3px;
    margin-bottom: 28px;
}

/* Línea acento horizontal */
.lp-accent-line {
    width: 44px;
    height: 3px;
    background: linear-gradient(90deg, var(--op-blue) 0%, rgba(79,124,243,.3) 100%);
    border-radius: 2px;
    margin-bottom: 30px;
}

/* ── Chips de módulos — glassmorphism ────────────────────────────────── */
.lp-chips {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.lp-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    padding: 14px 18px;
    background: rgba(79, 124, 243, .07);
    border: 1px solid rgba(79, 124, 243, .18);
    border-radius: 18px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: rgba(255, 255, 255, .75);
    cursor: default;
    transition: background .22s, border-color .22s, transform .18s;
    animation: fadeUp .5s cubic-bezier(.22, 1, .36, 1) var(--delay, 0s) both;
    min-width: 72px;
}

.lp-chip:hover {
    background: rgba(79, 124, 243, .14);
    border-color: rgba(79, 124, 243, .35);
    transform: translateY(-2px);
}

.lp-chip i {
    font-size: 20px;
    color: var(--op-blue);
    filter: drop-shadow(0 0 6px rgba(79, 124, 243, .5));
}

.lp-chip span {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .3px;
    white-space: nowrap;
    color: rgba(255, 255, 255, .6);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ═══════════════════════════════════════════════════════════════════════
   PANEL DERECHO — Card de login flotante
═══════════════════════════════════════════════════════════════════════ */
.rp {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 60px 48px 40px;
}

/* ── Card flotante ───────────────────────────────────────────────────── */
.rp-card {
    width: 390px;
    background: var(--card-bg);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, .12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, .06),
        0 8px 32px rgba(0, 0, 0, .38),
        0 32px 72px rgba(0, 0, 0, .28),
        0 2px 4px  rgba(0, 0, 0, .12);
    padding: 36px 32px 32px;
    animation: cardIn .45s cubic-bezier(.22, 1, .36, 1) .12s both;
}

@keyframes cardIn {
    from { opacity: 0; transform: translateY(18px) scale(.98); }
    to   { opacity: 1; transform: translateY(0)    scale(1);   }
}

/* ── Cabecera de la card ─────────────────────────────────────────────── */
.rp-card-top {
    margin-bottom: 26px;
}

.rp-card-ico {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, rgba(79,124,243,.14) 0%, rgba(59,130,246,.08) 100%);
    border: 1px solid rgba(79, 124, 243, .22);
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--op-blue);
    font-size: 19px;
    margin-bottom: 16px;
    box-shadow: 0 0 14px rgba(79, 124, 243, .18);
}

.rp-card-top h2 {
    font-size: 21px;
    font-weight: 700;
    color: var(--texto);
    letter-spacing: -.25px;
    margin-bottom: 4px;
}

.rp-card-top p {
    font-size: 13px;
    color: var(--texto-sub);
    line-height: 1.45;
}

/* ── Campos del formulario ───────────────────────────────────────────── */
#loginForm {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.rp-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.rp-field label {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--texto);
    letter-spacing: .1px;
}

/* Envoltorio de input con icono */
.rp-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

/* Icono izquierdo */
.rp-ico-l {
    position: absolute;
    left: 14px;
    color: var(--texto-muted);
    font-size: 12.5px;
    pointer-events: none;
    transition: color .2s;
    z-index: 1;
}

/* Input base */
.rp-input-wrap input {
    width: 100%;
    padding: 12px 42px;
    border: 1.5px solid var(--borde);
    border-radius: 11px;
    font-size: 14px;
    font-family: inherit;
    color: var(--texto);
    background: #FAFBFD;
    transition: border-color .2s, box-shadow .2s, background .2s;
    outline: none;
    line-height: 1;
}

.rp-input-wrap input::placeholder {
    color: #C5CAD3;
}

.rp-input-wrap input:hover {
    border-color: #C9CDD6;
    background: #FFFFFF;
}

.rp-input-wrap input:focus {
    border-color: var(--op-blue);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(79, 124, 243, .13);
}

/* Icono cambia color al enfocar el input */
.rp-input-wrap:focus-within .rp-ico-l {
    color: var(--op-blue);
}

/* ── Botón toggle contraseña ─────────────────────────────────────────── */
.rp-pass-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--texto-muted);
    cursor: pointer;
    padding: 5px;
    font-size: 12.5px;
    line-height: 1;
    border-radius: 6px;
    transition: color .2s, background .2s;
}
.rp-pass-toggle:hover {
    color: var(--op-blue);
    background: rgba(79, 124, 243, .08);
}

/* ── Botón submit ────────────────────────────────────────────────────── */
/* IMPORTANTE: NO poner ícono dentro — login.js usa submitBtn.textContent */
.rp-btn-submit {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, var(--op-blue) 0%, #3B82F6 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-size: 14.5px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    letter-spacing: .2px;
    transition:
        opacity     .2s,
        box-shadow  .2s,
        transform   .12s;
    box-shadow: 0 4px 18px rgba(79, 124, 243, .35);
    margin-top: 2px;
}

.rp-btn-submit:hover {
    opacity: .92;
    box-shadow: 0 6px 24px rgba(79, 124, 243, .48);
}

.rp-btn-submit:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(79, 124, 243, .3);
}

.rp-btn-submit:disabled {
    opacity: .55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ── Mensaje de error ────────────────────────────────────────────────── */
.rp-error {
    padding: 11px 14px;
    background: var(--error-bg);
    border: 1px solid var(--error-borde);
    border-left: 3px solid var(--error-line);
    border-radius: 9px;
    font-size: 13px;
    color: var(--error-txt);
    line-height: 1.45;
}

/* ── Footer discreto ─────────────────────────────────────────────────── */
.rp-footer {
    font-size: 11px;
    color: rgba(255, 255, 255, .22);
    margin-top: 22px;
    letter-spacing: .2px;
    text-align: center;
}


/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════════════ */

/* Tablet — achicar padding y logo */
@media (max-width: 1024px) {
    .lp {
        padding: 48px 36px 48px 52px;
    }
    .lp-name {
        font-size: 40px;
    }
    .lp-logo {
        width: 130px;
    }
    .rp {
        padding: 48px 40px 48px 28px;
    }
}

/* Tablet portrait / móvil — layout vertical */
@media (max-width: 720px) {
    .erp-root {
        flex-direction: column;
        align-items: center;
    }

    /* Panel izq: comprimido, sólo logo + nombre */
    .lp {
        width: 100%;
        padding: 36px 24px 20px;
        justify-content: center;
        animation: none;
    }
    .lp-inner {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .lp-name      { font-size: 30px; }
    .lp-logo      { width: 110px; }
    .lp-logo-wrap { margin-bottom: 16px; }
    .lp-tags      { display: none; }
    .lp-chips     { display: none; }
    .lp-accent-line { display: none; }
    .lp-tagline   {
        font-size: 12px;
        margin-bottom: 0;
    }

    /* Panel der: centrado con padding cómodo */
    .rp {
        width: 100%;
        padding: 20px 20px 36px;
        flex: 1;
        justify-content: flex-start;
    }
    .rp-card {
        width: 100%;
        max-width: 400px;
        border-radius: 18px;
        padding: 28px 24px;
    }
    .rp-footer {
        color: rgba(255, 255, 255, .18);
    }
}

/* Móvil pequeño */
@media (max-width: 400px) {
    .rp-card {
        padding: 24px 18px;
        border-radius: 16px;
    }
    .rp-card-top h2 {
        font-size: 19px;
    }
}