:root {
    --aperion-primary: #0f172a;
    --aperion-accent: #2563eb;
    --aperion-accent-hover: #1d4ed8;
    --aperion-dark-bg: #0b0f19;
    --aperion-card-bg: #ffffff;
}

body.aperion-login-body, html {
    height: 100%;
    margin: 0;
    background-color: #0f172a;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    background: radial-gradient(circle at 10% 20%, rgb(30, 41, 59) 0%, rgb(15, 23, 42) 90%);
}

.login-container {
    width: 100%;
    max-width: 960px;
    background: var(--aperion-card-bg);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Panel Izquierdo (Marca y Contexto) */
.login-brand-panel {
    background: linear-gradient(135deg, #0b0f19 0%, #1e293b 100%);
    color: #ffffff;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.brand-logo {
    width: 70px;
    height: auto;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.badge-system {
    display: inline-block;
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 0.35rem 0.75rem;
    border-radius: 50rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.login-brand-panel h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 0.75rem;
    color: #f8fafc;
}

.login-brand-panel p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Panel Derecho (Formulario) */
.login-form-panel {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #ffffff;
}

.form-title-wrapper h3 {
    color: var(--aperion-primary);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.form-title-wrapper p {
    font-size: 0.875rem;
}

.form-label {
    font-weight: 600;
    color: #334155;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.4rem;
}

/* Campos del formulario de Django estilizados */
.login-form-panel input[type="text"],
.login-form-panel input[type="password"] {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.5;
    color: #1e293b;
    background-color: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    transition: all 0.2s ease-in-out;
}

.login-form-panel input[type="text"]:focus,
.login-form-panel input[type="password"]:focus {
    color: #1e293b;
    background-color: #fff;
    border-color: var(--aperion-accent);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.btn-login-tech {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: var(--aperion-accent);
    border: none;
    color: white;
    padding: 0.85rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
    transition: all 0.2s ease-in-out;
}

.btn-login-tech:hover {
    background-color: var(--aperion-accent-hover);
    box-shadow: 0 6px 12px -2px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.login-footer-text p {
    color: #94a3b8;
    font-size: 0.75rem;
    margin-bottom: 0;
}

/* Responsive para dispositivos móviles */
@media (max-width: 768px) {
    .login-container {
        grid-template-columns: 1fr;
        max-width: 440px;
    }
    .login-brand-panel {
        display: none; /* Se oculta el panel lateral en móviles y se usa el header mobile */
    }
    .login-form-panel {
        padding: 2rem 1.5rem;
    }
}