/* === RESET Y BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html, body {
    height: 100%;
    background: #000;
    color: #f4f4f4;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* === ANIMACIÓN DE ENTRADA === */
.fade-in-page {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 1s forwards;
}

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

/* === PÁGINA LOGIN === */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #000;
    position: relative;
    padding: 1rem;
}

/* === CAJA LOGIN === */
.login-container {
    background: #0d0d0d;
    border: 1px solid #222;
    border-radius: 12px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 400px;
    text-align: left; /* contenido por defecto alineado a la izquierda */
    color: #f4f4f4;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
    z-index: 2;
}

/* === LOGO CENTRADO === */
.login-container .logo {
    text-align: center; /* centrado del logo */
    margin-bottom: 1.5rem;
}

.login-container .logo img {
    height: 60px;
    transition: transform 0.3s;
}

.login-container .logo img:hover {
    transform: scale(1.05);
}

/* === TÍTULO (INICIAR SESIÓN) CENTRADO === */
.login-container h1 {
    margin-bottom: 0.8rem;
    color: #00ff99;
    font-size: 1.4rem; /* tamaño desktop */
    font-weight: bold;
    text-align: center; /* centrado */
}

/* === TEXTO DE INSTRUCCIÓN === */
.login-instruction {
    color: #ccc;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    text-align: left; /* alineado a la izquierda */
}

/* === INPUTS === */
.login-container input {
    width: 100%;
    padding: 0.9rem 1rem;
    margin-bottom: 1rem;
    border-radius: 10px;
    border: 1px solid #333;
    background: #1a1a1a;
    color: #f4f4f4;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-container input::placeholder {
    color: #888;
}

.login-container input:focus {
    border-color: #00ff99;
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 153, 0.4);
    background: #1f1f1f;
}

/* === BOTÓN === */
.login-container button {
    width: 100%;
    padding: 0.9rem;
    background: #00ff99;
    color: #000;
    font-weight: bold;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.login-container button:hover {
    background: #00cc7a;
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 0 15px rgba(0, 255, 153, 0.4);
}

/* === TEXTO SECUNDARIO (OLVIDASTE CONTRASEÑA) === */
.login-container p {
    margin-top: 1.2rem;
    color: #ccc;
    font-size: 0.9rem;
    text-align: left; /* alineado a la izquierda */
}

/* === LÍNEAS VISUALES === */
.login-page::before,
.login-page::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 1px;
    background: rgba(255, 255, 255, 0.4);
}

.login-page::before {
    top: 0;
}

.login-page::after {
    bottom: 0;
}

/* === FOOTER === */
.footer {
    position: absolute;
    bottom: 10px;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: #fff;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .login-container {
        max-width: 350px;
        padding: 2.5rem 2rem;
    }
}

@media (max-width: 480px) {
    .login-container {
        max-width: 90%;
        padding: 2rem 1.5rem;
    }

    .login-container h1 {
        font-size: 1.2rem;  /* más pequeño en móviles */
    }

    .login-container input,
    .login-container button {
        font-size: 0.95rem;
    }

    .login-instruction {
        font-size: 0.9rem;
    }

    .login-container p {
        font-size: 0.85rem;
    }
}