:root {
    --auth-color: #05605b;
    --secondary-color: #e9b7b0;
    --background-color: rgba(255, 255, 255, 0.95);
    --text-color: #333;
    --error-color: #dc3545;
    --shadow-color: rgba(31, 38, 135, 0.2);
    --border-color: rgba(5, 96, 91, 0.2);
    --border-focus-color: rgba(5, 96, 91, 0.25);
    --hover-color: #044c48;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--auth-color);
    color: var(--text-color);
    overflow-y: hidden;
}

    body::before {
        top: -150px;
        left: -150px;
        border-radius: 50%;
    }

.decorative-element {
    position: fixed;
    z-index: 0;
}

.circle-1, .circle-2, .circle-3, .circle-4 {
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
}

.circle-1 {
    width: 50px;
    height: 50px;
    top: 8%;
    left: 30%;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 20%;
}

.circle-3 {
    width: 150px;
    height: 150px;
    top: 45%;
    left: 10%;
}

.circle-4 {
    width: 70px;
    height: 70px;
    bottom: 30%;
    right: 5%;
}

.cross-1, .cross-2, .cross-3, .cross-4 {
    background-color: var(--secondary-color);
    clip-path: polygon(20% 0%, 0% 20%, 30% 50%, 0% 80%, 20% 100%, 50% 70%, 80% 100%, 100% 80%, 70% 50%, 100% 20%, 80% 0%, 50% 30%);
}

.cross-1 {
    width: 60px;
    height: 60px;
    top: 20%;
    right: 35%;
}

.cross-2 {
    width: 180px;
    height: 180px;
    bottom: 5%;
    left: 25%;
}

.cross-3 {
    width: 130px;
    height: 130px;
    top: 10%;
    left: 75%;
}

.cross-4 {
    width: 50px;
    height: 50px;
    bottom: 20%;
    right: 40%;
}

.register-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem 1rem;
    box-sizing: border-box;
}

.register-form {
    background-color: var(--background-color);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--shadow-color);
    max-width: 400px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

    .register-form h2 {
        color: var(--primary-color);
        font-size: 2rem;
        margin-bottom: 1.5rem;
        text-align: center;
        font-weight: 600;
    }

    .register-form hr {
        border-top: 1px solid var(--border-color);
        margin: 1.5rem 0;
    }

.form-floating input {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    width: 100%;
    transition: all 0.3s ease;
}

    .form-floating input:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 0.2rem var(--border-focus-color);
    }

.form-floating label {
    color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 1rem;
    cursor: pointer;
}

    .btn-primary:hover {
        background-color: var(--hover-color);
        border-color: var(--hover-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

.text-danger {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.login-link {
    text-align: center;
    margin-top: 1.5rem;
}

    .login-link a {
        color: var(--primary-color);
        text-decoration: none;
        transition: color 0.3s ease;
        font-size: 1rem;
    }

        .login-link a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }