/* ======== RESET ======== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

  body {
            
            font-family: "Inter", Arial, sans-serif;
            margin: 0;
            padding: 0;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden; 
            background-color: #000; 
            color: #fff;
        }

        
        .background-slider {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2; /* Más bajo que el overlay */
        }

        .background-slider img {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover; 
            opacity: 0;
            transition: opacity 1.5s ease-in-out; 
           
            will-change: opacity; 
        }

        .background-slider img.active {
            opacity: 1;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.9)); 
            z-index: -1; 
        }

/* ======== LOGIN CARD ======== */
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 35px 30px;
    background: rgba(34, 34, 34, 0.95);
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    text-align: center;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ======== LOGO ======== */
.login-logo img {
    width: 160px;
    margin-bottom: 25px;
    filter: drop-shadow(0px 3px 8px rgba(0,0,0,0.5));
}

/* ======== FORM ======== */
.login-form {
    display: flex;
    flex-direction: column;
}

.input-group {
    margin-bottom: 18px;
    text-align: left;
}

.input-group label {
    color: #e0e0e0;
    margin-bottom: 6px;
    display: block;
    font-size: 14px;
    letter-spacing: 0.3px;
}

.input-group input {
    width: 100%;
    padding: 12px;
    background: #1b1b1b;
    color: #fff;
    border: 1px solid #333;
    border-radius: 8px;
    outline: none;
    transition: 0.2s ease;
    font-size: 15px;
}

.input-group input:focus {
    border-color: #f35b03;
    box-shadow: 0 0 8px rgba(243, 91, 3, 0.5);
}

/* ======== CHECKBOX CUSTOM ======== */
.remember-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.remember-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #f35b03; /* moderno y soportado en Chrome/Electron */
    cursor: pointer;
}

.remember-group label {
    color: #d5d5d5;
    font-size: 14px;
    cursor: pointer;
}

/* ======== BUTTON ======== */
.login-btn {
    background: linear-gradient(135deg, #f35b03, #e06a0a);
    color: #fff;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 17px;
    letter-spacing: 0.5px;
    transition: 0.25s;
    margin-top: 5px;
    font-weight: 600;
}

.login-btn:hover {
    background: linear-gradient(135deg, #ff7a21, #f35b03);
    box-shadow: 0px 8px 15px rgba(243, 91, 3, 0.4);
    transform: translateY(-2px);
}