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

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 500px;
    padding: 15px;
}

.auth-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.auth-header h2 {
    font-weight: 700;
    font-size: 28px;
    margin-bottom: 10px;
}

.auth-header p {
    opacity: 0.9;
    font-size: 14px;
}

.auth-body {
    padding: 40px;
}

.form-group-modern {
    margin-bottom: 20px;
    position: relative;
}

.form-label-modern {
    font-weight: 600;
    color: #333;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
    
}

.form-control-modern {
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    width: 100% !important;
}

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

.form-select-modern {
    padding: 12px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    cursor: pointer;
    width: 100% !important;
}

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

.password-wrapper {
    position: relative;
}

.toggle-password-btn {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #667eea;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
    padding: 5px;
}

.toggle-password-btn:hover {
    color: #764ba2;
    transform: translateY(-50%) scale(1.1);
}

.form-check-modern {
    display: flex;
    align-items: center;
    margin: 20px 0;
}

.form-check-input-modern {
    width: 20px;
    height: 20px;
    border: 2px solid #e8e8e8;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    accent-color: #667eea;
}

.form-check-input-modern:hover {
    border-color: #667eea;
}

.form-check-label-modern {
    margin-left: 10px;
    font-size: 13px;
    color: #666;
    cursor: pointer;
}

.form-check-label-modern a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.form-check-label-modern a:hover {
    color: #764ba2;
}

.btn-modern-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    width: 100%;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-modern-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
    color: white;
}

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

.auth-footer {
    text-align: center;
    padding: 20px 40px 40px;
    background-color: #f8f9fa;
}

.auth-footer p {
    font-size: 13px;
    color: #666;
    margin: 0;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    margin-left: 5px;
}

.auth-footer a:hover {
    color: #764ba2;
}

.invalid-feedback-modern {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

@media (max-width: 576px) {
    .auth-body {
        padding: 30px 20px;
    }

    .auth-header {
        padding: 30px 20px;
    }

    .auth-footer {
        padding: 15px 20px 30px;
    }
}