* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #0a0a1a, #0d1b2a, #1b263b);
    color: #e0e1dd;
    min-height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 800px;
    background: rgba(13, 27, 42, 0.8);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    margin: 20px 0;
    border: 1px solid rgba(96, 165, 250, 0.2);
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(96, 165, 250, 0.3);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #60a5fa;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

h2 {
    font-size: 1.5rem;
    margin: 25px 0 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(96, 165, 250, 0.3);
    color: #60a5fa;
}

.card {
    background: rgba(27, 38, 59, 0.6);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(96, 165, 250, 0.1);
}

.form-group {
    margin-bottom: 15px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #1e40af;
    border-radius: 8px;
    background: rgba(13, 27, 42, 0.7);
    font-size: 16px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    color: #e0e1dd;
}
    input[type="text"],
    input[type="email"]:focus,
    input[type="password"]:focus {
        outline: none;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
        border-color: #60a5fa;
    }

    input[type="text"],
    input[type="email"]::placeholder,
    input[type="password"]::placeholder {
        color: #a3b3cc;
    }

.checkbox-group {
    display: flex;
    align-items: center;
    margin: 15px 0;
}

    .checkbox-group input {
        margin-right: 10px;
        accent-color: #60a5fa;
    }

button {
    background: linear-gradient(to right, #1e40af, #3b82f6);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
    margin-top: 10px;
}

    button:hover {
        background: linear-gradient(to right, #3b82f6, #60a5fa);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(32, 80, 223, 0.3);
    }

    button:active {
        transform: translateY(0);
    }

#btnMe, #btnLogout {
    background: linear-gradient(to right, #1e3a8a, #1d4ed8);
}

    #btnMe:hover, #btnLogout:hover {
        background: linear-gradient(to right, #1d4ed8, #3b82f6);
    }

.message {
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
    text-align: center;
    font-weight: 500;
}

.success {
    background: rgba(21, 128, 61, 0.3);
    color: #86efac;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.error {
    background: rgba(185, 28, 28, 0.3);
    color: #fca5a5;
    border: 1px solid rgba(248, 113, 113, 0.2);
}

pre {
    background: rgba(13, 27, 42, 0.8);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-top: 15px;
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    color: #a5c8ff;
    border: 1px solid rgba(96, 165, 250, 0.2);
    font-family: 'Consolas', monospace;
}

.logo {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #60a5fa;
    position: relative;
    display: inline-block;
}

.logo-icon {
    position: relative;
    display: inline-block;
}

    .logo-icon .fa-temperature-high {
        color: #ff7b25;
        font-size: 2.8rem;
        text-shadow: 0 0 10px rgba(255, 123, 37, 0.5);
    }

    .logo-icon .fa-globe {
        position: absolute;
        bottom: 0;
        right: 0;
        font-size: 1.2rem;
        color: #60a5fa;
        background: #0d1b2a;
        border-radius: 50%;
        padding: 3px;
    }

@media (max-width: 600px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.3rem;
    }
}

.features {
    display: flex;
    justify-content: space-around;
    margin: 20px 0;
    flex-wrap: wrap;
}

.feature {
    text-align: center;
    width: 30%;
    min-width: 150px;
    margin: 10px;
}

    .feature i {
        font-size: 2rem;
        color: #60a5fa;
        margin-bottom: 10px;
    }

    .feature p {
        font-size: 0.9rem;
    }