/* Client Registration Page Styles */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #60a5fa;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #f8fafc;
    --white: #ffffff;
    --error-bg: #fee2e2;
    --error-text: #dc2626;
    --success-bg: #dcfce7;
    --success-text: #16a34a;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    margin: 0;
    color: var(--text-color);
    line-height: 1.5;
}

.registration-wrapper {
    width: 100%;
    max-width: 800px;
}

.registration-container {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.registration-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.registration-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: float 3s ease-in-out infinite;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.registration-header p {
    color: var(--text-light);
    font-size: 0.875rem;
}

.registration-form {
    margin-top: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.form-group label i {
    color: var(--primary-color);
    font-size: 1rem;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    transition: var(--transition);
    color: var(--text-color);
    background: var(--bg-color);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition);
}

.toggle-password:hover {
    color: var(--primary-color);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    background: var(--bg-color);
}

.btn-back:hover {
    color: var(--primary-color);
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-back i {
    transition: var(--transition);
}

.btn-back:hover i {
    transform: translateX(-4px);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit i {
    font-size: 1rem;
    transition: var(--transition);
}

.btn-submit:hover i {
    transform: translateX(4px);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .registration-container {
        padding: 1.5rem;
        border-radius: 1rem;
    }

    .logo {
        gap: 0.75rem;
    }

    .logo i {
        font-size: 2rem;
    }

    .logo h1 {
        font-size: 1.75rem;
    }

    .registration-header p {
        font-size: 0.8rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-back, .btn-submit {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .registration-container {
        padding: 1.25rem;
    }

    .logo i {
        font-size: 1.75rem;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .form-group input {
        padding: 0.625rem 0.875rem 0.625rem 2.5rem;
    }

    .form-group label i {
        left: 0.625rem;
        font-size: 0.875rem;
    }

    .toggle-password {
        right: 0.625rem;
    }
}