/* Estilos Globales - Modo Oscuro Optimizado */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #121212;
    color: #e0e0e0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

/* Contenedor Adaptativo del Login */
.login-wrapper {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box, .container {
    background: #1e1e1e;
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
    border: 1px solid #2d2d2d;
}

/* Cabecera del Login */
.login-header {
    text-align: center;
    margin-bottom: 25px;
}

.login-header h2 {
    margin: 0 0 8px 0;
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
}

.login-header p {
    margin: 0;
    color: #888;
    font-size: 14px;
}

/* Formularios */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #b0b0b0;
    letter-spacing: 0.3px;
}

input[type="text"], 
input[type="password"], 
input[type="number"] {
    width: 100%;
    padding: 12px 14px;
    box-sizing: border-box;
    background: #252525;
    border: 1px solid #383838;
    color: #fff;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.2s ease;
}

input:focus {
    border-color: #007bff;
    background: #2a2a2a;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

/* Botones con estilo moderno */
button, .btn, .btn-login {
    width: 100%;
    padding: 12px;
    background: #007bff;
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    transition: background 0.2s ease, transform 0.1s ease;
    box-sizing: border-box;
}

button:hover, .btn:hover, .btn-login:hover {
    background: #0056b3;
}

button:active {
    transform: scale(0.98);
}

/* Mensajes de Error */
.error {
    color: #ff6b6b;
    font-size: 13px;
    text-align: center;
    margin-bottom: 20px;
    background: rgba(255, 107, 107, 0.1);
    padding: 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

/* Enlaces */
a {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

/* Adaptabilidad estricta en teléfonos muy pequeños */
@media (max-width: 480px) {
    .login-box, .container {
        padding: 25px 20px;
        border: none;
        box-shadow: none;
        background: #1e1e1e;
    }
    body {
        background: #1e1e1e;
    }
}