:root {
    --primary: #ff6b6b;
    --dark: #1a1a2e;
    --darker: #0f0f1e;
    --gray: #2c2c54;
    --gradient: linear-gradient(135deg, #ff6b6b, #feca57);
}
body {
    font-family: 'Poppins', sans-serif;
    background: url('https://images.unsplash.com/photo-1507679799987-c73779587ccf') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: #fff;
    background-blend-mode: darken;
    background-color: rgba(0, 0, 0, 0.75);
}
.register-container,.login-container {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    max-width: 480px;
    width: 100%;
    border: 1px solid rgba(255, 107, 107, 0.2);
}
.logo {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: white;
}
.form-control, .form-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 12px;
    padding: 12px 16px;
    transition: 0.3s;
}
.form-control:focus, .form-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 107, 0.25);
    color: white;
}
.form-control::placeholder, .form-select::placeholder {
    color: rgba(255, 255, 255, 0.6);
}
.btn-register, .btn-login {
    background: var(--gradient);
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: 0.3s;
}
.btn-register:hover, .btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 107, 107, 0.4);
}
.social-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 12px;
    padding: 10px;
    font-size: 0.9rem;
    transition: 0.3s;
}
.social-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}
.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}
.step-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.step {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    margin: 0 8px;
    transition: 0.3s;
}
.step.active {
    background: var(--gradient);
    color: white;
}