/* =============================
   LOGIN OSCURO CORPORATIVO
   ============================= */

:root {
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-text: #f8fafc;
    --color-text-soft: #cbd5e1;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --radius: 16px;
    --transition: .25s ease;
}

/* Fondo */
.login-bg {
    background: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    font-family: 'Poppins', sans-serif;
}

/* Tarjeta */
.login-container {
    width: 100%;
    max-width: 380px;
    background: var(--color-bg-card);
    padding: 40px 50px;
    border-radius: var(--radius);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.35);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Titulo */
.login-title {
    font-size: 32px;
    color: var(--color-text);
    font-weight: 700;
    margin-bottom: 5px;
}

/* Subtitulo */
.login-subtitle {
    font-size: 15px;
    color: var(--color-text-soft);
    margin-bottom: 25px;
}

/* Campos */
.input-group {
    text-align: left;
    margin-bottom: 20px;
}

.input-group label {
    color: var(--color-text-soft);
    font-size: 13px;
    margin-bottom: 6px;
    display: block;
}

.input-group input {
    width: 100%;
    padding: 12px;
    border-radius: var(--radius);
    border: none;
    outline: none;
    background: #0f172a75;
    color: var(--color-text);
    font-size: 14px;
    border: 1px solid #334155;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--color-accent);
    background: #0f172abb;
}

/* Botón */
.btn-login {
    width: 100%;
    background: var(--color-accent);
    color: white;
    padding: 12px 0;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 15px;
    font-weight: bold;
    margin-top: 10px;
}

.btn-login:hover {
    background: var(--color-accent-hover);
    transform: scale(1.02);
}

/* Link */
.forgot-link {
    margin-top: 12px;
    display: block;
    font-size: 13px;
    color: var(--color-text-soft);
    transition: var(--transition);
}

.forgot-link:hover {
    color: var(--color-text);
}

/* Error */
.error-msg {
    color: #f87171;
    margin-top: 15px;
    font-weight: bold;
}