* {
    font-family: 'Poppins', sans-serif;
}

.error-message {
    color: #e53e3e;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.input-error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.success-message {
    color: #38a169;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.input-success {
    border-color: #38a169;
    box-shadow: 0 0 0 3px rgba(56, 161, 105, 0.1);
}

.password-toggle {
    cursor: pointer;
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.form-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.form-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
}

.form-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 20px;
    text-align: center;
    position: relative;
}

.form-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 20px;
    background: white;
    border-radius: 50% 50% 0 0;
}

.form-body {
    padding: 30px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-input {
    width: 100%;
    padding: 15px 45px 15px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f8fafc;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    transition: color 0.3s ease;
}

.form-input:focus+.form-icon {
    color: #667eea;
}

.gender-options {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.gender-option {
    flex: 1;
    text-align: center;
}

.gender-input {
    display: none;
}

.gender-label {
    display: block;
    padding: 12px 10px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #f8fafc;
}

.gender-input:checked+.gender-label {
    border-color: #667eea;
    background-color: rgba(102, 126, 234, 0.1);
    color: #667eea;
    font-weight: 500;
}

.password-requirements {
    background-color: #f8fafc;
    border-radius: 12px;
    padding: 15px;
    margin-top: 10px;
    border-left: 4px solid #667eea;
}

.requirement {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.requirement.met {
    color: #38a169;
}

.requirement i {
    margin-right: 8px;
    font-size: 12px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.login-link {
    text-align: center;
    margin-top: 20px;
    color: #4a5568;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.login-link a:hover {
    text-decoration: underline;
}

.progress-bar {
    height: 5px;
    background-color: #e2e8f0;
    border-radius: 5px;
    margin-top: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    border-radius: 5px;
    transition: width 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

.floating-label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    transition: all 0.3s ease;
    pointer-events: none;
    background-color: #f8fafc;
    padding: 0 5px;
}

.form-input:focus~.floating-label,
.form-input:not(:placeholder-shown)~.floating-label {
    top: 0;
    font-size: 12px;
    color: #667eea;
    background-color: white;
}