@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;700&family=Inter:wght@300;500;700&display=swap');

body {
    background: linear-gradient(45deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Inter', 'Cairo', sans-serif;
    margin: 0;
    padding: 20px;
    overflow-x: hidden;
}

body::before, body::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    z-index: -1;
}
body::before { background: #6366f1; top: -100px; left: -100px; filter: blur(120px); opacity: 0.6; }
body::after { background: #a855f7; bottom: -100px; right: -100px; filter: blur(120px); opacity: 0.6; }

.main-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.register-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 35px;
    border-radius: 30px;
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 600px; 
    color: white;

}

h2 {
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 25px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.form-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-control {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
    border-radius: 12px;
    padding: 10px 15px;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2) !important;
    transform: translateY(-1px);
}

#pass-rules {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 15px;
    padding: 15px;
    border: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
    list-style: none;
    padding-left: 0;
    font-size: 14px;
}

#pass-rules li {
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.text-danger { color: #eb4747 !important; }
.text-success { color: #51cf66 !important; }

#captcha-image {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 5px;
    margin-bottom: 10px;
    transition: transform 0.3s;
}

#captcha-image:hover {
    transform: scale(1.03) rotate(1deg);
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    transition: 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

a {
    color: #a855f7;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
    color: #6366f1;
}